Otakon 2019 held at Walter E. Washington Convention Center, U.S.

A cosplayer poses for a photo during the Otakon 2019 at the Walter E. Washington Convention Center in Washington D.C., the United States, on July 27, 2019. The three-day Otakon, opened on Friday, is an annual event for Asian pop culture. (Xinhua/Liu Jie)