The Niutou Cliff in Qinglong County, Qinhuangdao City has the largest collection. According to relevant information, Niutouya Daji is the largest farmer's market in Qinhuangdao, which is called the first set in the customs. Mountain Temple Grand Collection The Mountain Temple Grand Collection in Qinglong Manchu Autonomous County opened on April 9th of the lunar calendar. The closer we get to the end of the year, the more collections we have.