I learn that it's not only because the open plains present no barrier that the wind is so strong. The main reason is the vastness of Lake Baikal. It's no wonder that it was once called a "sea."
我發現風大，除了草原上一無屏障外，主要原因還是廣闊無垠的貝加爾湖，難怪被古人視為「海」。