Yunnan province is also commonly referred to as the "South of the Clouds" due to its elevated terrain and often foggy climate. Another synonym for Yunnan is the "Land of Eternal Spring" because of its mild and pleasant weather year-round. Yunnan is also known as the "Kingdom of Plants" because it boasts one of the most diverse botanical landscapes in the world. Additionally, Yunnan province is sometimes called the "Gateway to Southeast Asia" due to its important position as a trading hub between China and neighboring countries like Laos, Myanmar, and Vietnam. Finally, Yunnan is sometimes simply referred to as the "Yunnan Province" or "Yunnan Province, China".