Are both  Panzhou and Tianchang in China?
Tianchang Tianchang is a Sub-prefecture-level city on the Yangtze River, 290 km northwest of Shanghai, it's a part of Yangtze River Delta Economic Zone. It is under the administration of Chuzhou, Anhui Province, China.
Wufeng Tujia Autonomous County Wufeng Tujia Autonomous County () is a county of western Hubei province, People's Republic of China. It is under the administration of Yichang city. It is twinned with Westfield, Massachusetts, USA.