Photo taken on Nov. 22, 2015 shows people riding under Lake Baikal against cold temperature for almost 90 seconds in Russia. Photo: Xinhua

Photo taken on Nov. 22, 2015 shows people riding under Lake Baikal against cold temperature for almost 90 seconds in Russia. Photo: Xinhua

Photo taken on Nov. 22, 2015 shows people riding under Lake Baikal against cold temperature for almost 90 seconds in Russia. Photo: Xinhua

Photo taken on Nov. 22, 2015 shows people riding under Lake Baikal against cold temperature for almost 90 seconds in Russia. Photo: Xinhua

Photo taken on Nov. 22, 2015 shows people riding under Lake Baikal against cold temperature for almost 90 seconds in Russia. Photo: Xinhua

Photo taken on Nov. 22, 2015 shows people riding under Lake Baikal against cold temperature for almost 90 seconds in Russia. Photo: Xinhua

Photo taken on Nov. 22, 2015 shows people riding under Lake Baikal against cold temperature for almost 90 seconds in Russia. Photo: Xinhua