Thick shards of ice form as Lake Baikal in Siberia freezes over in December 2019.<br /><br />The filmer told Newsflare: "It usually freezes in the time frame from the middle of January to the beginning of February. <br /><br />"It's not dangerous to walk on because ice now consists of pieces of thick and thin ice frozen together. <br /><br />"Ice thickness now at this area is 10 cm."