text: A student works on his performance during a class at the Superior School of Circus Arts (ESAC) in Brussels, Wednesday, Sept. 23, 2020. The ropes are swinging. Chalk stains the mats anew, and students at the Brussels ESAC international circus school are smiling again, even if sometimes through a mask. The pandemic forced the school to close in March, but with new measures imposed to limit exposure the smell of sweat and the grunts of exertion are back again. (AP Photo/Francisco Seco