Children and adults enjoy a show of quadrocopter formation flight during a grand celebration held at the newly established China Soong Ching Ling Science and Culture Center for Young People in Beijing on May 31, one day ahead of International Children's Day. The celebration, themed "Dream of the Future Belt and Road Young Hearts," was organized by China Soong Ching Ling Foundation (CSCLF) in a bid to promote communication between young people from countries along the Belt and Road. [Photo by Chen Boyuan / China.org.cn]