A man flies a kite during the Motley Sky festival in Moscow, Russia, on May 26, 2019. The Motley Sky festival was held in Moscow from May 25 to 26. (Photos: Xinhua)

A woman flies a kite during the Motley Sky festival in Moscow, Russia, on May 26, 2019. The Motley Sky festival was held in Moscow from May 25 to 26.

A boy flies a kite during the Motley Sky festival in Moscow, Russia, on May 26, 2019. The Motley Sky festival was held in Moscow from May 25 to 26.

A woman flies a kite during the Motley Sky festival in Moscow, Russia, on May 26, 2019. The Motley Sky festival was held in Moscow from May 25 to 26.

People fly kites during the Motley Sky festival in Moscow, Russia, on May 26, 2019. The Motley Sky festival was held in Moscow from May 25 to 26.

A child flies a kite during the Motley Sky festival in Moscow, Russia, on May 26, 2019. The Motley Sky festival was held in Moscow from May 25 to 26.

People fly kites during the Motley Sky festival in Moscow, Russia, on May 26, 2019. The Motley Sky festival was held in Moscow from May 25 to 26.

A man flies a kite during the Motley Sky festival in Moscow, Russia, on May 26, 2019. The Motley Sky festival was held in Moscow from May 25 to 26.