Part 2 3 The Tunguska Event of 1908 was (far) from a city so2 (few) people saw it, but it was much (powerful) than the one in Chelyabinsk. It destroyed more than 80 million trees in the Siberian forest, so it's lucky it was not 4 (close) to a town or city. The night sky became 5 (bright) than normal for a few days, and people a hundred kilometres a away could read a newspaper outdoors even at midnight. Most scientists believe it was a meteor explosion, but there are some 6 (unusual) theories too. Perhaps it was a UFO вставить окончания в слова в скобках ​