Klaus Schwab, Founder and Executive Chairman of the World Economic Forum, pictured during his welcoming address the 50th annual meeting of the World Economic Forum, WEF, in Davos. EPA
US President Donald Trump addresses the World Economic Forum in Davos. AFP
Greta Thunberg, climate activist, attends a special address by US President Donald Trump in Davos. Bloomberg
Former US Vice President Al Gore sits in the audience and listens as US President Donald Trump delivers the opening remarks at the World Economic Forum in Davos. AP Photo
Ivanka Trump and Jared Kushner listen as US President Donald Trump delivers a speech in Davos. Reuters
US President Donald Trump is greeted by Executive Chairman Klaus Schwab at the World Economic Forum in Davos. AP Photo
Huawei CEO Ren Zhengfei attends a session during the World Economic Forum annual meeting in Davos. AFP
Marc Benioff, billionaire and co-founder and chief executive officer of Salesforce.com Inc., sits in the audience ahead of the special address by US President Donald Trump in Davos. Bloomberg
A helicopter carrying US President Donald Trump flies over the Swiss Alps on his way to Davos. AFP
Attendees wait outside the main Congress Hall ahead of the special address by U.S. President Donald Trump, on the opening day of the World Economic Forum (WEF) in Davos. Bloomberg
Salvador Gomez-Colon, founder of Light & Hope for Puerto Rico, Greta Thunberg, climate activist, and Autumn Peltier, chief water commissioner of the Anishinabek nation, take part in a panel session on the opening day of the World Economic Forum in Davos. Bloomberg
Swedish climate activist Greta Thunberg and Canadian climate and environmental activist Autumn Peltier attend a session at the Congress centre during the World Economic Forum in Davos. AFP
Swedish climate activist Greta Thunberg attends a session at the Congress centre during the World Economic Forum in Davos. AFP
King Philippe of Belgium, sits in the audience for the panel with Greta Thunberg, climate activist, on the opening day of the World Economic Forum in Davos, Switzerland. Bloomberg
US President Donald Trump waves as he arrives in Davos, Switzerland on Marine One. AP Photo
Klaus Schwab, founder and Executive Chairman of the World Economic Forum, left, gestures while European Commission President Ursula von der Leyen talks with Serbia's President Aleksandar Vucic, second right, during a celebration of the 50th anniversary of the World Economic Forum in Davos, Switzerland. AP Photo
Punit Renjen, CEO of the multinational professional services firm Deloitte, moderates a panel session during the 50th annual meeting of the World Economic Forum (WEF) in Davos. EPA
Ecuador's President Lenin Moreno answers during an interview with AFP at the World Economic Forum in Davos. AFP
Bob Moritz, chairman PricewaterhouseCoopers International Limited, poses for a photo prior to an interview with the Associated Press ahead of the World Economic Forum in Davos. AP Photo
A police officer stands guard near the Congress Center ahead of the World Economic Forum (WEF) annual meeting in Davos. Reuters
Ursula von der Leyen, president of the European Commission, conducts media interviews interviews ahead of the World Economic Forum (WEF) in Davos. Bloomberg
Jaggi Vasudev, also known as Sadhguru, yogi and author, pauses inside the Congress Centre ahead of the World Economic Forum (WEF) in Davos. Bloomberg
Indian actress Deepika Padukone (right) receive a trophy from Hilde Schwab, Chairwoman and Co-Founder of the World Economic Forum's World Arts Forum during the "Crystal Award" ceremony at the World Economic Forum (WEF) annual meeting in Davos. AFP
Klaus Schwab, Founder and Executive Chairman of the World Economic Forum, left, and Ursula von der Leyen, president of the European Commission, pictured during the welcoming address to the 50th annual meeting of the World Economic Forum, WEF, in Davos. EPA
Klaus Schwab, Founder and Executive Chairman of the World Economic Forum, pictured during his welcoming address the 50th annual meeting of the World Economic Forum, WEF, in Davos. EPA
US President Donald Trump addresses the World Economic Forum in Davos. AFP
Greta Thunberg, climate activist, attends a special address by US President Donald Trump in Davos. Bloomberg
Former US Vice President Al Gore sits in the audience and listens as US President Donald Trump delivers the opening remarks at the World Economic Forum in Davos. AP Photo
Ivanka Trump and Jared Kushner listen as US President Donald Trump delivers a speech in Davos. Reuters
US President Donald Trump is greeted by Executive Chairman Klaus Schwab at the World Economic Forum in Davos. AP Photo
Huawei CEO Ren Zhengfei attends a session during the World Economic Forum annual meeting in Davos. AFP
Marc Benioff, billionaire and co-founder and chief executive officer of Salesforce.com Inc., sits in the audience ahead of the special address by US President Donald Trump in Davos. Bloomberg
A helicopter carrying US President Donald Trump flies over the Swiss Alps on his way to Davos. AFP
Attendees wait outside the main Congress Hall ahead of the special address by U.S. President Donald Trump, on the opening day of the World Economic Forum (WEF) in Davos. Bloomberg
Salvador Gomez-Colon, founder of Light & Hope for Puerto Rico, Greta Thunberg, climate activist, and Autumn Peltier, chief water commissioner of the Anishinabek nation, take part in a panel session on the opening day of the World Economic Forum in Davos. Bloomberg
Swedish climate activist Greta Thunberg and Canadian climate and environmental activist Autumn Peltier attend a session at the Congress centre during the World Economic Forum in Davos. AFP
Swedish climate activist Greta Thunberg attends a session at the Congress centre during the World Economic Forum in Davos. AFP
King Philippe of Belgium, sits in the audience for the panel with Greta Thunberg, climate activist, on the opening day of the World Economic Forum in Davos, Switzerland. Bloomberg
US President Donald Trump waves as he arrives in Davos, Switzerland on Marine One. AP Photo
Klaus Schwab, founder and Executive Chairman of the World Economic Forum, left, gestures while European Commission President Ursula von der Leyen talks with Serbia's President Aleksandar Vucic, second right, during a celebration of the 50th anniversary of the World Economic Forum in Davos, Switzerland. AP Photo
Punit Renjen, CEO of the multinational professional services firm Deloitte, moderates a panel session during the 50th annual meeting of the World Economic Forum (WEF) in Davos. EPA
Ecuador's President Lenin Moreno answers during an interview with AFP at the World Economic Forum in Davos. AFP
Bob Moritz, chairman PricewaterhouseCoopers International Limited, poses for a photo prior to an interview with the Associated Press ahead of the World Economic Forum in Davos. AP Photo
A police officer stands guard near the Congress Center ahead of the World Economic Forum (WEF) annual meeting in Davos. Reuters
Ursula von der Leyen, president of the European Commission, conducts media interviews interviews ahead of the World Economic Forum (WEF) in Davos. Bloomberg
Jaggi Vasudev, also known as Sadhguru, yogi and author, pauses inside the Congress Centre ahead of the World Economic Forum (WEF) in Davos. Bloomberg
Indian actress Deepika Padukone (right) receive a trophy from Hilde Schwab, Chairwoman and Co-Founder of the World Economic Forum's World Arts Forum during the "Crystal Award" ceremony at the World Economic Forum (WEF) annual meeting in Davos. AFP
Klaus Schwab, Founder and Executive Chairman of the World Economic Forum, left, and Ursula von der Leyen, president of the European Commission, pictured during the welcoming address to the 50th annual meeting of the World Economic Forum, WEF, in Davos. EPA
Klaus Schwab, Founder and Executive Chairman of the World Economic Forum, pictured during his welcoming address the 50th annual meeting of the World Economic Forum, WEF, in Davos. EPA