An aerial view of Tangzha Park in Gangzha district, Nantong city, July 6. First built in 1913, Tangzha Park was once the largest park in Nantong and was relocated and rebuilt in 1953. The park now covers an area of 17 hectares. It became part of an industrial relic protection program in 2008 and the city's government launched a protection and development project for Tangzha industrial relics. [Photo/ntgz.gov.cn]