What is "caishikou"

Caishikou is a neighborhood in Beijing, situated in Xicheng District.

Part of it, known as Caishikou Execution Grounds , was where most of Beijing's capital punishments were carried out during the Qing Dynasty and were open to public viewing.

Caishikou is served by Caishikou Station, on lines 4 and 7 of the Beijing Subway.