Jilin, a province of the People's Republic of China, is located in the northeastern part of the country. Jilin is bordered with North Korea and Russia in the east, with Liaoning in the north, Heilongjiang in the south, and with Inner Mongolia in the west. The province enjoys a continental monsoon climate, with cold and long winters, whereas summers are warm and short. Major cities of Jilin are Changchun, Jilin City, Liaoyuan, Siping, Tonghua, and Yanji. Jilin has a number of world heritage sites including Wandu, Guonei, and the pyramidal General's Tomb along with the royal tombs of the Balhae Kingdom, at Longtou Mountain, including the Mausoleum of Princess Zhenxiao. The Changbai Mountains, especially Lake Tianchiare popular tourist destinations, for, full with the beautiful sceneries of nature.