CNN —Shanghai residents passing through the city’s eastern Huangpu district in October might have stumbled upon an unusual sight: a “walking” building. The relocation was completed on October 15, with the old school building set to become a center for heritage protection and cultural education. Decades of destructionIn recent decades, China’s rapid modernization has seen many historic buildings razed to clear land for gleaming skyscrapers and office buildings. “Relocation is not the first choice, but better than demolition,” said Lan, the Shanghai primary school’s project supervisor. An aerial shot of the Shanghai Lagena Primary School building.