Here's a collection of some of the best images from day three of the World Economic Forum's Annual Meeting in Davos.

Antonio Guterres, Secretary-General, United Nations, New York during the Session
Antonio Guterres, Secretary-General of the United Nations, talks to participants at Davos
Image: World Economic Forum/Valeriano Di Domenico
Sergey Brin, Founder, Bayshore Global Management, USA speaking during the Session: An Insight, An Idea with Sergey Brin at the Annual Meeting 2017 of the World Economic Forum in Davos, January 18, 2017
Sergey Brin, co-founder of Google, speaks during an interview with Professor Klaus Schwab
Image: World Economic Forum/Sikarin Thanachaiary
Swami Agnivesh, President Emeritus, World Council of Arya Samaj, India (centre) and Matthieu Ricard, Buddhist monk and founder, Karuna-Shechen, France (right) at the Annual Meeting in Davos.
Participants at Davos 2017
Image: World Economic Forum/Valeriano Di Domenico
William H. Gates III, Co-Chair, Bill & Melinda Gates Foundation, USA speaking during the Session CEPI: A Global Initiative to Fight Epidemics at the Annual Meeting 2017 of the World Economic Forum in Davos, January 19, 2017 Copyright by World Economic Forum / Boris Baldinger
Bill Gates talks during a session on fighting epidemics
Image: World Economic Forum/Boris Baldinger
Theresa May, Prime Minister of the United Kingdom speaking during the Session Special Address by Theresa May, Prime Minister of the United Kingdom at the Annual Meeting 2017 of the World Economic Forum in Davos, January 19, 2017 Copyright by World Economic Forum / Boris Baldinger
UK Prime Minister Theresa May delivers a speech in the main plenary hall in Davos
Image: World Economic Forum/Boris Baldinger
Art Installation: Middle Fork by John Grade Copyright by World Economic Forum/Faruk Pinjo
The art installation 'Middle Fork' by John Grade
Image: World Economic Forum/Faruk Pinjo
Ertharin Cousin, Executive Director, United Nations World Food.Programme (WFP), Rome speaking during the Session: Press Conference: The Future of Humanitarian Payments at the Annual Meeting 2017 of the World Economic Forum in Davos, January 19, 2017. Copyright by World Economic Forum / Sandra Blaser
Ertharin Cousin, Executive Director, United Nations World Food Programme, speaks during a session on the future of humanitarianism
Image: World Economic Forum/Sandra Blaser
Raed Saleh, Head, Syria Civil Defence, Syria.during the Session
Raed Saleh, the head of Syria Civil Defence, the 'White Helmets', in a session
Image: World Economic Forum/Valeriano Di Domenico
Participants from different generations share knowledge at sunset at the Annual Meeting 2017 of the World Economic Forum in Davos, January 19, 2017 Copyright by World Economic Forum / Greg Beadle
Participants from different generations chat as the sun goes down over Davos
Image: World Economic Forum/Greg Beadle