Children enjoy food at the "626 Night Market" in Arcadia, California, the United States on July 1, 2018. "626" is the area code of San Gabriel Valley in Los Angeles, a region with lots of Chinese. From dozens of booths to hundreds of vendors, in recent years, the "626 Night Market" has become the largest night market in the United States and a part of the urban culture in Los Angeles. (Xinhua/Zhao Hanrong)