This is not a story about gold. It is a story about a name — 新金山 (Xīn Jīnshān), New Gold Mountain — and what that name promised the men and boys who left the Siyi (四邑, Sìyì) region of Guangdong in the 1850s. They already knew about the first Gold Mountain: California, 旧金山 (Jiù Jīnshān),…