What door won't open?

Daqianmen (cigarette) Arc de Triomphe (a scene in Paris) Warcraft Gate, Watergate (here the door is the meaning of the event) Loudly guarding the door trick Amen (Christian language) Simen to Doumen (Zhuhai District 1) Buddhism, Famen, Fengmen, Anus Jiangmen (a city in Guangdong, pronounced "anus" in Cantonese) Humen (a town in Dongguan, Guangdong, where opium was destroyed) returned to the giants.