Social media footage showed the moment debris from a small aircraft fell to the ground after a crash into Beijing's tallest skyscraper.
Trump has landed in Beijing for the first visit by a US leader since his own in 2017.
Thousands of North Korean soldiers are thought to have died while fighting for Russia during its war in Ukraine.
Teams from 16 countries are competing in a range of sports including football, athletics and dance as part of the World Humanoid Robot Games in Beijing, China.
Robots on sale at the store include humanoid butlers, chess partners and dogs.
The Yizhuang half marathon is the first time robots have raced alongside humans over such a distance.
These kids, who make up the vast majority of those put up for adoption, face a painful wait for families.
