The Great Mosque in the Muslim Quarter of Xian. The mosque is built in an architectural mixture of Chinese and Islamic art, one of the largest in the entire Republic of China, occupying 12,000 square meters. It was built facing the east in 742 during the Tang Dynasty but was later restored during the Ming and Qing. The most prominent is the Main Hall is used five times a day for prayer. The interior, which highlights the turquoise painted ceiling, you can admire ebony engraved verses from the Koran.