What are the main Buddhist cultural relics?

There are four holy mountains in China, namely Manjushri Dojo, Wutai Dojo, Guanyin Dojo, Putuo Dojo, Emei Bodhisattva Dojo and Jiuhuashan Dojo. There are five buddhas in Wuxi, Jiangsu Province in the east, the Tiantan Buddha in Hong Kong in the south, the Leshan Buddha in Sichuan in the west, the Yungang Buddha in Shanxi in the north and the Potala Palace in Tibet.