TOPSHOT Residents take pictures of debris fallen from a United Airlines airplane's engine on the neighborhood of Broomfield, outside Denver, Colorado, on February 20, 2021 - Massive debris rained from the sky February 20 over the US city of Denver as an aeroplane experiencing engine failure was forced to return to the city's airport, officials said. Among the images posted on social media was a picture of a large circular piece of the United Airlines plane sitting in a yard in Broomfield, Colorado, a Denver suburb. (Photo by Chet Strange / AFP)