Photo taken on Aug. 24, 2017 shows the Samara Arena, which will host 4 group stages matches and 1 round of 16 during the 2018 FIFA World Cup, in Samara, Russia. The arena has a capacity of 44395 people. According to the officials, the arena will be complete at 31st of December of 2017. (Xinhua/Wu Zhuang)
