An old-fashioned camera is seen during the Bargain Camera Shows in Pasadena of Los Angeles, the United States, on Sept. 15, 2019. (Photo by Qian Weizhong/Xinhua)

Visitors choose photography equipments during the Bargain Camera Shows in Pasadena of Los Angeles, the United States, on Sept. 15, 2019. (Photo by Qian Weizhong/Xinhua)

Visitors choose photography equipments during the Bargain Camera Shows in Pasadena of Los Angeles, the United States, on Sept. 15, 2019. (Photo by Qian Weizhong/Xinhua)

An old-fashioned camera is seen during the Bargain Camera Shows in Pasadena of Los Angeles, the United States, on Sept. 15, 2019. (Photo by Qian Weizhong/Xinhua)

A visitor chooses photography equipments during the Bargain Camera Shows in Pasadena of Los Angeles, the United States, on Sept. 15, 2019. (Photo by Qian Weizhong/Xinhua)