Legend says the Cowherd and the Weaver Girl cross the Milky Way to meet on the Qixi Festival.
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culture
Literally 'sky river', 天河 is the classical Chinese name for the Milky Way, featured in the Qixi (Chinese Valentine's) legend of 牛郎织女 — the Cowherd and Weaver Girl separated by the heavenly river, reunited once a year by a bridge of magpies.
usage
Modern usage almost always refers to 天河区 (Tianhe District) — Guangzhou's central business district, home to 广州塔 (Canton Tower), 天河城 and 天河体育中心. Context makes clear which 天河 is meant.
