London, United Kingdom, Jun 3, 2021: A swimmer is seen swimming in a 25-metre sky pool in Embassy Gardens linking two residential buildings in London's Nine Elms, floating 10 storeys above ground on Thursday, Jun 3, 2021. The Sky Pool, described as "the world's first floating pool", is only open to some of the development's residents, where rent is from about £1,800 to £6,500 per month. ​(Photo by Vudi Xhymshiti)