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 of the United Nations, talks to participants at DavosImage: World Economic Forum/Valeriano Di Domenico

Sergey Brin, co-founder of Google, speaks during an interview with Professor Klaus SchwabImage: World Economic Forum/Sikarin Thanachaiary

Participants at Davos 2017Image: World Economic Forum/Valeriano Di Domenico

Bill Gates talks during a session on fighting epidemicsImage: World Economic Forum/Boris Baldinger

UK Prime Minister Theresa May delivers a speech in the main plenary hall in DavosImage: World Economic Forum/Boris Baldinger

The art installation 'Middle Fork' by John GradeImage: World Economic Forum/Faruk Pinjo

Ertharin Cousin, Executive Director, United Nations World Food Programme, speaks during a session on the future of humanitarianismImage: World Economic Forum/Sandra Blaser

Raed Saleh, the head of Syria Civil Defence, the 'White Helmets', in a sessionImage: World Economic Forum/Valeriano Di Domenico

Participants from different generations chat as the sun goes down over DavosImage: World Economic Forum/Greg Beadle
