Yingtian Gate
…and it may have been the largest city gate in ancient China. Ancient Japan constructed capital gates with the same names Ōtenmon (応天門) in the cities of Heian-kyō (present-day Kyoto) and Heijō-kyō (present-day Nara). It was originally built in 605 AD, the first year of the Daye era of the Sui dynasty, and was…