Yazi () is a town in Rushan, Weihai, in eastern Shandong province, China.
Zhuwang () is a town in Rushan, Weihai, in eastern Shandong province, China.
Xiachu () is a town in Rushan, Weihai, in eastern Shandong province, China.
The Dalangshan Formation () is a geological formation in the Sanshui District of Guangdong Province, China, the strata of which date back to the Late Cretaceous period.
Rushan is a county-level city in the prefecture-level city of Weihai, Shandong province, People's Republic of China.
 Rushan borders Yantai to the north and looks out to the Yellow Sea to the south.
Xinan () is a subdistrict of the Sanshui District, Foshan, Guangdong, China.
Nanhuang () is a town in Rushan, Weihai, in eastern Shandong province, China.
Sanshui District, formerly romanized as Samshui, is an urban district of the prefecture-level city Foshan in Guangdong, China.
 It had about 386,000 inhabitants in 2002.
 It is known for the "Samsui women", emigrants who labor in Singapore, and for a large fireworks explosion in 2008.
Rushanzhai () is a town in Rushan, Weihai, in eastern Shandong province, China.
Xujia () is a town in Rushan, Weihai, in eastern Shandong province, China.

Question: how is Sanshui District and Rushan, Shandong connected?
Answer: China