On 30 June 1908, a massive explosion occurred in Siberia near the Tunguska river. The blast knocked down an estimated 60 million trees covering a thousand square miles and left them in a radial...
On 30 June 1908, a massive explosion occurred in Siberia near the Tunguska river. The blast knocked down an estimated 60 million trees covering a thousand square miles and left them in a radial...