Early modern Shanghai architectures and over 1,000-year-old Xumishan Grottoes in northern China were listed by the World Monuments Fund (WMF) on the 100 most endangered architectural and cultural sites in the world on Wednesday.

The watch list, announced every two years by the non-profit organization based in New York City, highlights this year three critical man-made threats: political conflict, unchecked urban and industrial development, and global climate change.

WMF said some of the most prominent early modern structures in Shanghai have been recognized as landmarks and the threats to the buildings from the 1920s, 1930s, and 1940s persist due to lack of awareness and development pressures.

Shanghai, China's primary economic hub, is once again experiencing a period of remarkable growth. The work of the early Chinese architects is significant historically and architecturally but lacks long-term safeguarding, WMF said.

As for Xumishan, a Buddhist enclave with more than 130