Introduction to the mountain gate: Kaifu Temple was built before Zhenguan of Tang Dynasty (626-649 AD). Later, Kaifu Temple was bombed by Japanese aircraft during the Anti-Japanese War. It is said that Master Huiman performed the Lotus Sutra here, prayed for rain and lifesavers for the people, and saved the lives of the dragons and gods. He left behind good stories about spreading the Dharma, benefiting people, and being praised by generations.