Children watch young people participating in the National Electric Karting Championship and the Romanian Super Cup in Electric Karting in downtown Bucharest, Romania, Aug. 22, 2021. (Photo by Cristian Cristel/Xinhua)

Young people participate in the National Electric Karting Championship and the Romanian Super Cup in Electric Karting in downtown Bucharest, Romania, Aug. 22, 2021. (Photo by Cristian Cristel/Xinhua)

Young people participate in the National Electric Karting Championship and the Romanian Super Cup in Electric Karting in downtown Bucharest, Romania, Aug. 22, 2021. (Photo by Cristian Cristel/Xinhua)

Young people participate in the National Electric Karting Championship and the Romanian Super Cup in Electric Karting in downtown Bucharest, Romania, Aug. 22, 2021. (Photo by Cristian Cristel/Xinhua)

Young people prepare to participate in the National Electric Karting Championship and the Romanian Super Cup in Electric Karting in downtown Bucharest, Romania, Aug. 22, 2021. (Photo by Cristian Cristel/Xinhua)

Young people participate in the National Electric Karting Championship and the Romanian Super Cup in Electric Karting in downtown Bucharest, Romania, Aug. 22, 2021. (Photo by Cristian Cristel/Xinhua)

Young people participate in the National Electric Karting Championship and the Romanian Super Cup in Electric Karting in downtown Bucharest, Romania, Aug. 22, 2021. (Photo by Cristian Cristel/Xinhua)