Armed Swiss police officers stand guard on the roof of a hotel near the congress center where the annual meeting of the World Economic Forum takes place in Davos, Switzerland, Jan. 23, 2018. The meeting brings together enterpreneurs, scientists, chief executive and political leaders in Davos from Jan. 23 to 26.
A view inside the Congress Centre during the annual World Economic Forum (WEF) on Jan. 23, 2018 in Davos, Switzerland.
Indian Prime Minister Narendra Modi speaks during a plenary session in the Congress Hall on the opening day of the 48th Annual Meeting of the World Economic Forum in Davos, Switzerland, Jan. 23, 2018.
A participant takes picture with her mobile phone of the panel session 'Reconnnecting Refugees' on the opening day of the World Economic Forum in Davos, Switzerland, Jan. 23, 2018.
Justin Trudeau, Prime Minister of Canada, sits on the podium prior to his special address on corporate responsibility and the role of women in a changing world during the annual meeting of the World Economic Forum.
Cate Blanchett attends the annual World Economic Forum in Davos on Jan. 23, 2018.
A man experiences augmented reality on the opening day of the World Economic Forum.
A participant snaps a picture with his mobile phone next to artwork by US artist Mike Stilkey made with disused books in the Congress Centre during the annual World Economic Forum on Jan. 23, 2018 in Davos.
Indian Bollywood actor Shah Rukh Khan, right, poses for participants so that they can photograph him with their mobile phones in front of Tania Bryer, left, host and executive producer, CNBC, before a panel session of the World Economic Forum..
A security guard directs a man outside of the Davos Congress Centre under snow ahead of the opening of the World Economic Forumon Jan. 22, 2018 in Davos, eastern Switzerland.