📡 Data & IoT

Digital Twin of 621 Historic Buildings

Organized by Harbin's municipal people's congress standing committee and coordinated across more than a dozen bureaus (natural resources and planning, culture and tourism, party history and archives, data), the city's Survey and Mapping Research Institute used drones and laser scanning between 2022 and 2024 to build 1:1 digital-twin 3D models of 621 protected historic buildings. The models are published through the "City with Warmth" mini-program with on-site QR-code placards and 13 curated heritage routes. The project won the Development Potential Award in the Cultural Tourism track at China's first national "Data Elements x" competition (25 October 2024), among roughly 20,000 competing teams. It is a heritage-documentation and public-access archive, not a live sensor feed -- the twins are static captures, updated by survey, not in real time.

Live 📅 since 2022

🤖 AI-generated summary of the sources below — how this works · 🔎 Last verified

🎓 Lesson

A digital twin doesn't need real-time sensors to earn its keep -- but it is a public archive and tourism layer, not a control system, and should not be read as one.

Scale🏙️ City-wide

📖 Terms in this entry: Digital twin

Sources

↗ The Paper (thepaper.cn)Core facts: 2022-2024 timeline, 621 buildings, drone/laser-scan survey method, lead institute and named technical lead, the two public platforms, and the October 2024 award among ~20,000 teams.
↗ Sina Finance (finance.sina.com.cn)Independent republication confirming the same project scope, award and organizing bureaus.
↗ Bingcheng+ / My399 (my399.com)Local outlet confirming the official project name ("Harbin Historical and Cultural Architecture Protection and Utilization Digital Ecosystem") and the award.

This overview was generated with AI from the public sources listed above and checked against them before publication. It has not had a complete human fact-check — treat it as a starting point and follow the sources.

📎 Cite this project

1001 Smart Cities (2026). “Digital Twin of 621 Historic Buildings” — Harbin, China. The Smart City Atlas. https://1001smartcities.org/projects/harbin-historic-buildings-digital-twin/ (last verified 2026-08-02). Data: CC BY 4.0.

The underlying data is free to reuse with attribution — see the open data page.

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