Xu Guangqi Memorial Hall And the moon and the stars are the same ones you see it's the same old sun up in the sky And your face in my dreams is like heaven to me like the breezes here in old Shanghai John Denver

Xy Guangqi house (17 Nandan rd) in front of Observatory in the park is the oldest (500 years) building in Shanghai. The house initially called ``Nanchun Huatang'' was mooved from the initial place to Guangqi park. All the district called after Xu Guangqi and his family, living here. He was one of the first chinese, who adopted Christianinty, translator of Euclid, friend of Matteo Richi. .