What do both Hanchuan and Tongcheng, Anhui have in common?
Tongcheng, Anhui Tongcheng () is a county-level city and former county in Anhui under the jurisdiction of Anqing City. Its population is 744,000 and its area is 1571 square kilometers. Tongcheng is a famous cultural and historical city.
Heyuan Héyuán () is a prefecture-level city of Guangdong province in the People's Republic of China. At the 2010 census, its population was 2,950,195 whom 903,871 lived in the built-up ("or metro") area made of Yuancheng urban District and Dongyuan County largely being urbanized. Zijin County itself is quickly being conurbated in the agglomeration. The majority of the people are Hakka.