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Dagang Qu's Lilac Reborn Hotel Converted Media Center presents a soaring interior atrium conceived through principles of contemporary spatial design, where curvilinear architectural forms generate dyn
Dagang Qu's Lilac Reborn Hotel Converted Media Center presents a masterfully orchestrated double-height atrium interior where architectural form and spatial dramatics converge in a luminous celebratio
Pristine titanium-white surfaces articulate a soaring atrium volume where biomorphic structural ribbons cascade from an expansive gridded skylight, each curvilinear element descending in parallel traj
Sweeping curves of pristine white architectural ribbon unfold vertically through this multi-story atrium interior, establishing a dramatic compositional armature governed by radial symmetry and rhythm
Architectural volumes in pristine white establish a rhythmic bilateral symmetry across the diptych composition, with both frames presenting double-height atrium spaces defined by continuous horizontal

Harbin Institute of Technology Sun Cheng Young Scientist Studio

Iron Interior Space and Exhibition Design · 2026

Lilac Reborn Hotel Converted Media Center

by Cheng Sun, Dagang Qu and Xi Huang

  • A' Design Award 2026 Iron Winner in Interior Space and Exhibition Design
  • Awarded April 15, 2026
  • CLIENT: Harbin Institute of Technology Sun Cheng Young Scientist Studio
  • Estimated Number of Design Views: 3,940
  • Verification code 89B5CBE180 · Verify this award
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About Lilac Reborn Hotel Converted Media Center

Lilac Reborn is a media center created by renovating an abandoned hotel in Harbin, China. The design is inspired by the local lilac flower. Two shared spaces form the core: the Lilac Hall, with natural light and a water feature, and the Regeneration Hall, built with recycled construction waste. Dual atriums bring daylight to ninety two percent of the functional areas. Recycled concrete, high-performance insulation panels and eco-friendly coatings were used. Movable partitions allow rooms to become lecture halls or workstations.

Dagang Qu's Lilac Reborn Hotel Converted Media Center exemplifies the sophisticated spatial strategies characterizing contemporary approaches to adaptive reuse architecture, particularly within contexts where historic hospitality structures transition into cultural and educational facilities, the project engaging with broader design conversations around heritage preservation, programmatic flexibility, and the social role of public interior environments as sites of gathering, learning, and civic engagement. The compositional achievement of this atrium space resides in its masterful orchestration of competing formal impulses, balancing the centrifugal energy of sweeping curves that could fragment spatial coherence against centripetal organizing gestures that gather disparate elements into unified volumetric experience, the result demonstrating refined understanding of how curvilinear geometry can simultaneously energize and calm, directing movement while encouraging pause, the architectural language suggesting familiarity with parametric design methodologies translated into built form with exceptional precision. The chromatic sophistication emerges through deliberate restraint, the near-monochromatic palette refusing decorative excess in favor of material honesty and tectonic clarity, the achromatic foundation allowing architectural form itself to generate visual interest through light modulation, shadow play, and surface articulation, while the strategic cerulean accent introduces technological contemporaneity without overwhelming the spatial serenity, the color relationships demonstrating understanding of how minimal chromatic intervention can maximum impact within restrained palettes. Technical facility manifests in the seamless integration of structure, enclosure, and finish, the curved ceiling element reading simultaneously as architectural gesture and functional environmental control, the vertical sculptural forms appearing to rise effortlessly while surely managing complex load transfer and spatial division, the polished flooring executed with precision sufficient to create mirror-like reflections enhancing spatial volume, the glazing systems maintaining transparency while providing acoustic and thermal performance, every surface and junction evidencing attention to craft and resolution of detail that elevates functional necessity into aesthetic accomplishment. The passage where natural zenithal illumination floods the upper atrium proves particularly successful, creating luminous atmospheric effects that animate surfaces throughout the day, transforming the space through temporal progression of solar geometry, this integration of daylight demonstrating environmental consciousness and biophilic design principles that connect interior occupation with external natural cycles, enhancing occupant wellbeing while reducing energy dependency. The thematic content explores contemporary interpretations of monumentality, questioning how public architecture can achieve institutional presence without intimidation, grandeur without exclusion, the human figures positioned along the observation deck at proportions suggesting accessibility rather than diminishment, their contemplative engagement with the spatial volume modeling the intended relationship between individual and institution as one of mutual respect, the architecture framing rather than dominating human activity. The vertical sculptural elements rising through the central void may reference organic forms such as unfurling petals, ascending flames, or growth spirals, potentially evoking themes of transformation, renewal, and aspiration appropriate to both the building's adaptive conversion from hotel to media center and the broader cultural mission of education and knowledge dissemination, these forms also potentially nodding to traditional scroll forms or calligraphic gestures within cultural visual heritage, though such readings remain speculative and open to multiple interpretations. The spatial organization invites consideration of how contemporary interior architecture negotiates between individual contemplation and collective participation, the observation deck providing intimate scaled moments for personal reflection while simultaneously offering prospect over communal gathering spaces below, the transparency of glass balustrades maintaining visual connection across levels while providing necessary safety separation, the result being layered spatial experience accommodating diverse modes of occupation from solitary wandering to group assembly. What might viewers discover in the relationship between the dark curving ceiling and the luminous vertical forms, and how might this interplay of shadow and light, enclosure and openness, earthbound horizontality and aspiring verticality, speak to fundamental dualities that architecture has mediated across cultures and epochs, rendered here in contemporary material vocabulary that honors craft tradition while embracing technological possibility?

Press Kit

Unique Properties
This project renovates an abandoned hotel into a media center within a tight budget, marking a first for ultra-low-energy renovation in a frigid region. Drawing on the metaphor of media flowers blooming in a palace, two core shared spaces were designed: the Lilac Hall, featuring natural light and a water feature, and the Regeneration Hall, built with recycled construction waste. Dual atriums ensure indoor warmth and brightness while meeting the three-star green building standard and LEED Platinum requirements.
Dimensions & Packaging
Total area: 7,000 square meters
Tags
Building renewal, Computational design, Media office building, Designer-AI collaborative design
Production Technology
AI computational design was used to optimize spatial curvature, and same-source recycling technology achieved resource reuse. Fifteen ultra-low-energy technologies were integrated, such as enhanced thermal insulation and passive daylighting. Building performance simulation verified a 25 percent reduction in energy consumption and an improvement in the useful daylight illuminance index. Modular assembly was adopted using recycled concrete, high-performance insulation panels, and eco-friendly coatings.
Design Challenge
The core challenge was realizing ultra-low-energy renovation of an old building in frigid Harbin, while balancing historical fabric preservation, media hub functional demands, and the implementation of AI-driven collaborative design. External Obstacles: Sparse technical data on the renewal of old buildings in cold regions, insufficient low-temperature resistance of recycled materials, and strict fire codes restricting structural modifications. Internal Conflicts: Bridging the gap between AI design and traditional construction practices, and reconciling public accessibility (for media lounges) with the need for closed office spaces. Solutions: Adopted multi-objective optimization + BIM technology, customized thermal insulation systems, recycled material modification, and the TOPSIS method to balance regulatory requirements, performance indicators, and functional needs.
Project Duration
Duration: 2023~2025;
Location: Harbin, Heilongjiang, China
Operation Flow
The media hub is fully accessible to the public. Visitors enter the Lilac Hall for social gatherings, media displays, or community events. Natural light illuminates 92 percent of functional areas year-round, significantly reducing artificial lighting needs. The specialized insulation system maintains a comfortable indoor temperature of 20 to 24 degrees Celsius even when it is minus 30 degrees Celsius outside. Modular spaces can be rearranged into lecture halls or workstations using simple movable partitions.
Research
This applied research explores AI-driven ultra-low-energy renovation for old buildings in frigid climates. Using deep learning and multi-objective optimization, the study balanced historical preservation with media function requirements. Tools including BIM and on-site sensors verified the results. The project achieved 25 percent lower energy consumption and natural light coverage for 92 percent of the building. This validates the application of computational design in urban renewal, supporting carbon goals and setting a benchmark for smart, green infrastructure in cold regions.
Inspiration
Inspired by the lilac of Harbin, this project focuses on the green renewal of abandoned buildings. It addresses the gap in ultra-low-energy renovation for regions with temperatures reaching minus 30 degrees Celsius. Driven by the demand for shared media spaces, it integrates local culture with eco-technologies. Through artificial intelligence computational design and same-source recycling of construction debris, the project reflects a vision of a green, tech-driven, and art-integrated media hub.
Image Credits
Image #1: Photographer Dagang Qu (CMG Project Team), Media Hub Renovation, 2025.
Image #2: Photographer Dagang Qu (CMG Project Team), Lilac Media Hub and Office Space, 2025.
Image #3: Photographer Dagang Qu (CMG Project Team), Lilac Media Hub Transportation Core, 2025.
Image #4: Photographer Dagang Qu (CMG Project Team), Lilac Waterscape Bar Transformed, 2025.
Image #5: Photographer Xi Huang (CMG Project Team), Regeneration Hall (recycled construction waste), 2025.

Colors of Lilac Reborn Hotel Converted Media Center

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