Parents wait with children on the schoolyard for the start of their first day at a school in Gelsenkirchen, Germany, Wednesday, Aug. 12, 2020. Students in North Rhine-Westphalia will have to wear face masks at all times due to the coronavirus pandemic as they return to school this Wednesday. (AP Photo/Martin Meissner)

A passenger wears a face mask at a tram in Gelsenkirchen, Germany, Wednesday, Aug. 12, 2020. To avoid the outspread of the coronavirus wearing a mask is mandatory at all public transport. (AP Photo/Martin Meissner)

Pupil Moritz is on his way to the first day at his new school in Gelsenkirchen, Germany, Wednesday, Aug. 12, 2020. Students in North Rhine-Westphalia will have to wear face masks at all times due to the coronavirus pandemic as they return to school this Wednesday. (AP Photo/Martin Meissner)

A student gets her face mask prepared by her mother at a school in Gelsenkirchen, Germany, Wednesday, Aug. 12, 2020. Students in North Rhine-Westphalia will have to wear face masks at all times due to the coronavirus pandemic as they return to school this Wednesday. (AP Photo/Martin Meissner)

Due to the new coronavirus pandemic a man wears a face mask of the German first division soccer team FC Schalke 04 and a hat with the word reading "Deutschland" (Germany) in Gelsenkirchen, Germany, Wednesday, Aug. 12, 2020. (AP Photo/Martin Meissner)

German Health Minister Jens Spahn arrives for the weekly cabinet meeting at the chancellery in Berlin, Germany, Wednesday, August 12, 2020. (Tobias Schwarz/Pool Photo via AP)

Due to the new coronavirus pandemic a man wears a face mask of the German first division soccer team FC Schalke 04 and a hat with the word reading "Deutschland" (Germany) in Gelsenkirchen, Germany, Wednesday, Aug. 12, 2020. (AP Photo/Martin Meissner)

Pupil Moritz is on his way to the first day at his new school in Gelsenkirchen, Germany, Wednesday, Aug. 12, 2020. Students in North Rhine-Westphalia will have to wear face masks at all times due to the coronavirus pandemic as they return to school this Wednesday. (AP Photo/Martin Meissner)

Passengers wear face masks at a tram in Gelsenkirchen, Germany, Wednesday, Aug. 12, 2020. To avoid the outspread of the coronavirus wearing a mask is mandatory at all public transport. (AP Photo/Martin Meissner)

Passengers wear face masks at a tram in Gelsenkirchen, Germany, Wednesday, Aug. 12, 2020. To avoid the outspread of the coronavirus wearing a mask is mandatory at all public transport. (AP Photo/Martin Meissner)