A man takes photos of a logo of Web Summit in downtown Lisbon, Portugal, Nov. 30, 2020. Web Summit, one of the world's largest technology, innovation and entrepreneurship events, will be held entirely online this year from December 2 to 4 in Lisbon due to the COVID-19 pandemic. (Photo by Petro Fiuza/Xinhua)
People wearing face masks are seen in front of a logo of Web Summit in downtown Lisbon, Portugal, Nov. 30, 2020. Web Summit, one of the world's largest technology, innovation and entrepreneurship events, will be held entirely online this year from December 2 to 4 in Lisbon due to the COVID-19 pandemic. (Photo by Petro Fiuza/Xinhua)
A man wearing a face mask takes selfies with the background of a logo of Web Summit in downtown Lisbon, Portugal, Nov. 30, 2020. Web Summit, one of the world's largest technology, innovation and entrepreneurship events, will be held entirely online this year from December 2 to 4 in Lisbon due to the COVID-19 pandemic. (Photo by Petro Fiuza/Xinhua)
People wearing face masks walk past a logo of Web Summit in downtown Lisbon, Portugal, Nov. 30, 2020. Web Summit, one of the world's largest technology, innovation and entrepreneurship events, will be held entirely online this year from December 2 to 4 in Lisbon due to the COVID-19 pandemic. (Photo by Petro Fiuza/Xinhua)
A man wearing a face mask walks past a logo of Web Summit in downtown Lisbon, Portugal, Nov. 30, 2020. Web Summit, one of the world's largest technology, innovation and entrepreneurship events, will be held entirely online this year from December 2 to 4 in Lisbon due to the COVID-19 pandemic. (Photo by Petro Fiuza/Xinhua)
A woman takes photos of a little kid standing in front of a logo of Web Summit in downtown Lisbon, Portugal, Nov. 30, 2020. Web Summit, one of the world's largest technology, innovation and entrepreneurship events, will be held entirely online this year from December 2 to 4 in Lisbon due to the COVID-19 pandemic. (Photo by Petro Fiuza/Xinhua)