Xi'an Great Mosque set up in 742 AD during the Tang Dynasty. The mosque covers a total area of more than 13,000 sq meters with the buildings of over 6,000 sq meters, It is built in the shape of a rectangle from the east to the west and divided into 4 courtyards.
Some men going to prayers. They go by the cleansing area first. We were told if they had a sash down the back of their cap, they had made the pilgrimage to Mecca.