The archery tower is a fortified barbican in front (south) of proper Qiánmén.
Qiánmén is more formally known as Zhèngyángmén 正阳门
I don’t know much about this graceful sculpture except that I stumbled upon it, and many others, in a museum in the Lama Temple, Beijing. It appears to be of Southeast Asian influence, but beyond that, I have no idea of its origins. Anybody?