SpaceX's Dragon cargo spacecraft is seen in San Pedro, California, the United States, July 4, 2017. U.S. space firm SpaceX's Dragon cargo spacecraft returned to Earth from the International Space Station (ISS) on Monday, bringing back the first Chinese experiment ever to visit the orbiting laboratory. The unmanned spacecraft splashed down in the Pacific Ocean at 8:12 a.m. EDT (1212 GMT) about five hours leaving the space station. (Xinhua/Matt Hartman)
