A pro-democracy protester makes a three-finger salute as he attends a march towards the Government House during an anti-government protest as they march in Bangkok, Thailand October 21, 2020. REUTERS/Jorge Silva

Britain's Prince William meets patients and staff, and attends a groundbreaking ceremony at The Royal Marsden in Surrey, Britain October 21, 2020. Jack Hill/Pool via REUTERS

Britain's Prince William meets patients and staff, and attends a groundbreaking ceremony at The Royal Marsden in Surrey, Britain October 21, 2020. Jack Hill/Pool via REUTERS

Britain's Prince William meets patients and staff, and attends a groundbreaking ceremony at The Royal Marsden in Surrey, Britain October 21, 2020. Jack Hill/Pool via REUTERS

Britain's Prince William meets patients and staff, and attends a groundbreaking ceremony at The Royal Marsden in Surrey, Britain October 21, 2020. Jack Hill/Pool via REUTERS

Britain's Prince William meets patients and staff, and attends a groundbreaking ceremony at The Royal Marsden in Surrey, Britain October 21, 2020. Jack Hill/Pool via REUTERS

Britain's Prince William meets patients and staff, and attends a groundbreaking ceremony at The Royal Marsden in Surrey, Britain October 21, 2020. Jack Hill/Pool via REUTERS

Britain's Prince William attends a groundbreaking ceremony at The Royal Marsden in Surrey, Britain October 21, 2020. Jack Hill/Pool via REUTERS

Britain's Prince William attends a groundbreaking ceremony at The Royal Marsden in Surrey, Britain October 21, 2020. Jack Hill/Pool via REUTERS

Britain's Prince William attends a groundbreaking ceremony at The Royal Marsden in Surrey, Britain October 21, 2020. Jack Hill/Pool via REUTERS

Britain's Prince William attends a groundbreaking ceremony at The Royal Marsden in Surrey, Britain October 21, 2020. Jack Hill/Pool via REUTERS

Britain's Prince William attends a groundbreaking ceremony at The Royal Marsden in Surrey, Britain October 21, 2020. Jack Hill/Pool via REUTERS

People take pictures during mild autumn weather on the banks of Lake Zurich in Zurich, Switzerland October 21, 2020. REUTERS/Arnd Wiegmann

People relax during mild autumn weather on the banks of Lake Zurich in Zurich, Switzerland October 21, 2020. REUTERS/Arnd Wiegmann

A man swims during mild autumn weather in Lake Zurich in Zurich, Switzerland October 21, 2020. REUTERS/Arnd Wiegmann

A general view of the museum island complex, where unknown perpetrators damaged numerous pieces of art and antiques at the museum island, along with other Berlin's museums, in one of the largest cases of art vandalism in decades, according to German media reports, in Berlin, Germany October 21, 2020. REUTERS/Fabrizio Bensch

Christina Haak, Deputy General Director of the National Museums in Berlin, gives a statment in front of the museum island complex, where unknown perpetrators damaged numerous pieces of art and antiques at the museum island, along with other Berlin's museums, in one of the largest cases of art vandalism in decades, according to German media reports, in Berlin, Germany October 21, 2020. REUTERS/Fabrizio Bensch

Florentina Martin, a 99 year-old woman who survived coronavirus disease (COVID-19), sits with her granddaughter Noelia Valle in her home in Pinto, near Madrid, Spain, October 20, 2020. Picture taken October 20, 2020. REUTERS/Sergio Perez

Florentina Martin, a 99 year-old woman who survived coronavirus disease (COVID-19), enters a room at her home in Pinto, near Madrid, Spain, October 20, 2020. Picture taken October 20, 2020. REUTERS/Sergio Perez

Florentina Martin, a 99 year-old woman who survived coronavirus disease (COVID-19), is helped by her caregiver Olga Arauz in her home in Pinto, near Madrid, Spain, October 20, 2020. Picture taken October 20, 2020. REUTERS/Sergio Perez

Florentina Martin, a 99 year-old woman who survived coronavirus disease (COVID-19), sits in her home in Pinto, near Madrid, Spain, October 20, 2020. Picture taken October 20, 2020. REUTERS/Sergio Perez

Florentina Martin, a 99 year-old woman who survived coronavirus disease (COVID-19), plays a digital puzzle with her great-grandson Pedro Valle at her home in Pinto, near Madrid, Spain, October 20, 2020. Picture taken October 20, 2020. REUTERS/Sergio Perez

Florentina Martin, a 99 year-old woman who survived coronavirus disease (COVID-19), sits with her granddaughter Noelia Valle in her home in Pinto, near Madrid, Spain, October 20, 2020. Picture taken October 20, 2020. REUTERS/Sergio Perez

Florentina Martin, a 99 year-old woman who survived coronavirus disease (COVID-19), sits on a sofa with her pet Luna as she watches TV at her home in Pinto, near Madrid, Spain, October 20, 2020. Picture taken October 20, 2020. REUTERS/Sergio Perez

Florentina Martin, a 99 year-old woman who survived coronavirus disease (COVID-19), sits with her granddaughter Noelia Valle in her home in Pinto, near Madrid, Spain, October 20, 2020. Picture taken October 20, 2020. REUTERS/Sergio Perez

A general view shows the Neues Museum, after unknown perpetrators damaged numerous pieces of art and antiques at the museum island, along with other Berlin's museums, in one of the largest cases of art vandalism in decades, according to German media reports, in Berlin, Germany October 21, 2020. REUTERS/Fabrizio Bensch

Florentina Martin, a 99 year-old woman who survived coronavirus disease (COVID-19), sits on a sofa with her pet Luna as she watches TV in her home in Pinto, near Madrid, Spain, October 20, 2020. Picture taken October 20, 2020. REUTERS/Sergio Perez

Florentina Martin, a 99 year-old woman who survived coronavirus disease (COVID-19), sits on a sofa with her caregiver Olga Arauz as they watch TV at her home in Pinto, near Madrid, Spain, October 20, 2020. Picture taken October 20, 2020. REUTERS/Sergio Perez

Florentina Martin, a 99 year-old woman who survived coronavirus disease (COVID-19), takes a walk with her caregiver Olga Arauz at her home in Pinto, near Madrid, Spain, October 20, 2020. Picture taken October 20, 2020. REUTERS/Sergio Perez

Florentina Martin, a 99 year-old woman who survived coronavirus disease (COVID-19), sits on a sofa with her pet Luna as she watches TV at her home in Pinto, near Madrid, Spain, October 20, 2020. Picture taken October 20, 2020. REUTERS/Sergio Perez

Florentina Martin, a 99 year-old woman who survived coronavirus disease (COVID-19), is helped by her caregiver Olga Arauz and her granddaughter Noelia Valle at the entrance of her home in Pinto, near Madrid, Spain, October 20, 2020. Picture taken October 20, 2020. REUTERS/Sergio Perez

People offer annual congregational prayers called "Khoja Digar" on the 3rd of Rabi-ul-Awwal, the third month of the Islamic calendar, outside the shrine of Sufi Saint Khawaja Naqashband on his death anniversary, amidst the coronavirus disease (COVID-19) outbreak, in Srinagar October 21, 2020. REUTERS/Danish Ismail

People offer annual congregational prayers called "Khoja Digar" on the 3rd of Rabi-ul-Awwal, the third month of the Islamic calendar, outside the shrine of Sufi Saint Khawaja Naqashband on his death anniversary, amidst the coronavirus disease (COVID-19) outbreak, in Srinagar October 21, 2020. REUTERS/Danish Ismail

Spain's Prime Minister Pedro Sanchez delivers his speech during a motion of no confidence against the government session at Parliament in Madrid, Spain, October 21, 2020. Mariscal/Pool via REUTERS

Friederike Seyfried, Director of the Egyptian Museum and Papyrus Collection shows damages, after unknown perpetrators damaged numerous pieces of art and antiques at the museum island, along with other Berlin's museums, in one of the largest cases of art vandalism in decades, according to German media reports, in Berlin, Germany October 21, 2020. REUTERS/Fabrizio Bensch

Abdullah Bin Sharaf Alghamdi, President of Saudi Data and Al Authority, speaks during the Global Al Summit in Riyadh, Saudi Arabia October 21, 2020. REUTERS/Ahmed Yosri

Friederike Seyfried, Director of the Egyptian Museum and Papyrus Collection shows damages, after unknown perpetrators damaged numerous pieces of art and antiques at the museum island, along with other Berlin's museums, in one of the largest cases of art vandalism in decades, according to German media reports, in Berlin, Germany October 21, 2020. REUTERS/Fabrizio Bensch

Friederike Seyfried, Director of the Egyptian Museum and Papyrus Collection shows damages, after unknown perpetrators damaged numerous pieces of art and antiques at the museum island, along with other Berlin's museums, in one of the largest cases of art vandalism in decades, according to German media reports, in Berlin, Germany October 21, 2020. REUTERS/Fabrizio Bensch

Friederike Seyfried, Director of the Egyptian Museum and Papyrus Collection shows damages, after unknown perpetrators damaged numerous pieces of art and antiques at the museum island, along with other Berlin's museums, in one of the largest cases of art vandalism in decades, according to German media reports, in Berlin, Germany October 21, 2020. REUTERS/Fabrizio Bensch

Friederike Seyfried, Director of the Egyptian Museum and Papyrus Collection shows damages, after unknown perpetrators damaged numerous pieces of art and antiques at the museum island, along with other Berlin's museums, in one of the largest cases of art vandalism in decades, according to German media reports, in Berlin, Germany October 21, 2020. REUTERS/Fabrizio Bensch

Friederike Seyfried, Director of the Egyptian Museum and Papyrus Collection shows damages, after unknown perpetrators damaged numerous pieces of art and antiques at the museum island, along with other Berlin's museums, in one of the largest cases of art vandalism in decades, according to German media reports, in Berlin, Germany October 21, 2020. REUTERS/Fabrizio Bensch

Bavarian Prime Minister Markus Soeder wearing a face mask prepares to speak during a state government declaration, in Munich, Germany, October 21, 2020. REUTERS/Andreas Gebert

People attend the Global Al Summit in Riyadh, Saudi Arabia October 21, 2020. REUTERS/Ahmed Yosri

Bavarian Prime Minister Markus Soeder prepares to speak during a state government declaration, in Munich, Germany, October 21, 2020. REUTERS/Andreas Gebert

General view of the Global Al Summit in Riyadh, Saudi Arabia October 21, 2020. REUTERS/Ahmed Yosri

Abdullah Bin Sharaf Alghamdi, President of Saudi Data and Al Authority, speaks during the Global Al Summit in Riyadh, Saudi Arabia October 21, 2020. REUTERS/Ahmed Yosri

Aircrafts of Cathay Pacific and its regional brand Cathay Dragon are parked on the tarmac at the Hong Kong International Airport, Hong Kong, China October 21, 2020. REUTERS/Lam Yik

Aircrafts of Cathay Pacific and its regional brand Cathay Dragon are seen on the tarmac at the Hong Kong International Airport, Hong Kong, China October 21, 2020. REUTERS/Lam Yik

Friederike Seyfried, Director of the Egyptian Museum and Papyrus Collection shows a damaged sarcophagus of the prophet Ahmose, after unknown perpetrators damaged numerous pieces of art and antiques at the museum island, along with other Berlin's museums, in one of the largest cases of art vandalism in decades, according to German media reports, in Berlin, Germany October 21, 2020. REUTERS/Fabrizio Bensch

Pro-democracy protesters march towards the Government House during an anti-government protest in Bangkok, Thailand October 21, 2020. REUTERS/Athit Perawongmetha

Students wearing face masks keep social distance as they study at the large reading room of Vienna University Library amid the coronavirus disease (COVID-19) outbreak, in Vienna, Austria, October 21, 2020. REUTERS/Lisi Niesner

Students wearing face masks keep social distance as they study at the large reading room of Vienna University Library amid the coronavirus disease (COVID-19) outbreak, in Vienna, Austria, October 21, 2020. REUTERS/Lisi Niesner

Students wearing face masks keep social distance as they study at the large reading room of Vienna University Library amid the coronavirus disease (COVID-19) outbreak, in Vienna, Austria, October 21, 2020. REUTERS/Lisi Niesner

Students wearing face masks keep social distance as they study at the large reading room of Vienna University Library amid the coronavirus disease (COVID-19) outbreak, in Vienna, Austria, October 21, 2020. REUTERS/Lisi Niesner

The entrance of the Vienna University is seen amid the coronavirus disease (COVID-19) outbreak in Vienna, Austria, October 21, 2020. REUTERS/Lisi Niesner

Students wearing face masks keep social distance as they study at the large reading room of Vienna University Library amid the coronavirus disease (COVID-19) outbreak, in Vienna, Austria, October 21, 2020. REUTERS/Lisi Niesner

Friederike Seyfried, Director of the Egyptian Museum and Papyrus Collection shows a damaged sarcophagus of the prophet Ahmose, after unknown perpetrators damaged numerous pieces of art and antiques at the museum island, along with other Berlin's museums, in one of the largest cases of art vandalism in decades, according to German media reports, in Berlin, Germany October 21, 2020. REUTERS/Fabrizio Bensch

Students wearing face masks keep social distance as they study at the large reading room of Vienna University Library amid the coronavirus disease (COVID-19) outbreak, in Vienna, Austria, October 21, 2020. REUTERS/Lisi Niesner

Students wearing face masks keep social distance as they study at the large reading room of Vienna University Library amid the coronavirus disease (COVID-19) outbreak, in Vienna, Austria, October 21, 2020. REUTERS/Lisi Niesner

Spain's Prime Minister Pedro Sanchez delivers his speech during a motion of no confidence against the government session at Parliament in Madrid, Spain, October 21, 2020. Manu Fernandez/Pool via REUTERS