Sikhote-Alinsky meteorit rain.
In the 12th February 1947 in the Far East at the Sikhote-Alinsky mountain about 100 t of a space substances fell into taiga. This mass consisted of ironnickel cristalls of different sizes. In the air they desintegrated into thousand pieces and it was natural iron raining in the Earth. Some of the pieces weight was about several tones. After reaching the Earth they formed about 100 craters. The greatest was 26,5 m in diameter and its depth was 6 m.