BEIJING, Jan. 20 (Xinhua) -- Chinese Premier Li Keqiang left Beijing for his Switzerland visit from Jan. 20 to 22 on Tuesday.

Li will attend the 45th Annual Meeting of the World Economic Forum (WEF) and pay a working visit to Switzerland.

Li's visit is at the invitation of WEF founder and chairman Klaus Schwab and the Federal Council of Switzerland.

The WEF annual meeting, which will take place on Jan. 21-24 in Davos-Klosters, Switzerland, is to convene under the theme "The New Global Context".