The four-day economic gathering, the 50th of its kind, brings together nearly 3,000 participants from around the globe. The Chinese delegation at the event is led by Vice Premier Han Zheng. Big names are also attending this year's Davos gathering and have given speeches. The founder of the World Economic Forum, Klaus Schwab, said that the world is in a state of emergency and the window to act is closing. U.S. President Donald Trump told a packed auditorium that recent trade deals with China and Mexico represent a model for the 21st century. That's while Huawei CEO Ren Zhengfei soothed fears over technology.