Acrobats perform during the Circus Arts Festival in Moscow, Russia, on Sept. 15, 2019. A Circus Arts Festival dedicated to the 100th anniversary of the national state circus was held over the weekend on the Boulevard Ring of Moscow. (Photo: Maxim Chernavsky/Xinhua)
An circus actor shoots a bow using her feet during the Circus Arts Festival in Moscow, Russia, on Sept. 15, 2019. A Circus Arts Festival dedicated to the 100th anniversary of the national state circus was held over the weekend on the Boulevard Ring of Moscow. (Photo: Maxim Chernavsky/Xinhua)
Visitors react to a giant soap bubble during the Circus Arts Festival in Moscow, Russia, on Sept. 15, 2019. A Circus Arts Festival dedicated to the 100th anniversary of the national state circus was held over the weekend on the Boulevard Ring of Moscow. (Photo: Maxim Chernavsky/Xinhua)
A circus actor throws flowers to visitors during the Circus Arts Festival in Moscow, Russia, on Sept. 15, 2019. A Circus Arts Festival dedicated to the 100th anniversary of the national state circus was held over the weekend on the Boulevard Ring of Moscow. (Photo: Maxim Chernavsky/Xinhua)
An actor performs during the Circus Arts Festival in Moscow, Russia, on Sept. 15, 2019. A Circus Arts Festival dedicated to the 100th anniversary of the national state circus was held over the weekend on the Boulevard Ring of Moscow. (Photo: Maxim Chernavsky/Xinhua)
Acrobats perform during the Circus Arts Festival in Moscow, Russia, on Sept. 15, 2019. A Circus Arts Festival dedicated to the 100th anniversary of the national state circus was held over the weekend on the Boulevard Ring of Moscow. (Photo: Maxim Chernavsky/Xinhua)
An actor performs during the Circus Arts Festival in Moscow, Russia, on Sept. 15, 2019. A Circus Arts Festival dedicated to the 100th anniversary of the national state circus was held over the weekend on the Boulevard Ring of Moscow. (Photo: Maxim Chernavsky/Xinhua)
An acrobat performs during the Circus Arts Festival in Moscow, Russia, on Sept. 15, 2019. A Circus Arts Festival dedicated to the 100th anniversary of the national state circus was held over the weekend on the Boulevard Ring of Moscow. (Photo: Maxim Chernavsky/Xinhua)