A worker is seen delivering room service at a hotel in a near 100-year-old train, that sits on the Selati suspension bridge, which spans a river in the heart of the iconic Kruger National Park, in Skukuza, Mpumalanga Province, South Africa, February 10, 2022. Picture taken February 10, 2022. REUTERS/Siphiwe Sibeko 

A worker is seen at the shared lounge area of a hotel, in a near 100-year-old train, that sits on the Selati suspension bridge, which spans a river in the heart of the iconic Kruger National Park, in Skukuza, Mpumalanga Province, South Africa, February 10, 2022. Picture taken February 10, 2022. REUTERS/Siphiwe Sibeko 

A worker is seen inside a hotel room of a near 100-year-old train, that sits on the Selati suspension bridge, which spans a river in the heart of the iconic Kruger National Park, in Skukuza, Mpumalanga Province, South Africa, February 10, 2022. Picture taken February 10, 2022. REUTERS/Siphiwe Sibeko 

A worker is seen inside a hotel room of a near 100-year-old train, that sits on the Selati suspension bridge, which spans a river in the heart of the iconic Kruger National Park, in Skukuza, Mpumalanga Province, South Africa, February 10, 2022. Picture taken February 10, 2022. REUTERS/Siphiwe Sibeko 

A "Please tidy room" sign is seen at hotel room 15, in a near 100-year-old train, that sits on the Selati suspension bridge, which spans a river in the heart of the iconic Kruger National Park, in Skukuza, Mpumalanga Province, South Africa, February 9, 2022. Picture taken February 9, 2022. REUTERS/Siphiwe Sibeko 

A buffalo cools off in Sabie river overlooked by a hotel in a near 100-year-old train, that sits on the Selati suspension bridge, which spans a river in the heart of the iconic Kruger National Park, in Skukuza, Mpumalanga Province, South Africa, February 9, 2022. Picture taken February 9, 2022. REUTERS/Siphiwe Sibeko 

A guest cools off in a pool at a hotel, a near 100-year-old train that sits on the Selati suspension bridge, which spans a river in the heart of the iconic Kruger National Park, in Skukuza, Mpumalanga Province, South Africa, February 9, 2022. Picture taken February 9, 2022. REUTERS/Siphiwe Sibeko 

A waitress is seen at hotel bar in a near 100-year-old train that sits on the Selati suspension bridge, which spans a river in the heart of the iconic Kruger National Park, in Skukuza, Mpumalanga Province, South Africa, February 9, 2022. Picture taken February 9, 2022. REUTERS/Siphiwe Sibeko 

A general view of a hotel room, of a near 100-year-old train that sits on the Selati suspension bridge, which spans a river in the heart of the iconic Kruger National Park, in Skukuza, Mpumalanga Province, South Africa, February 9, 2022. Picture taken February 9, 2022. REUTERS/Siphiwe Sibeko 

A bath tub overlooking the Sabie river is seen inside a hotel room of a near 100-year-old train, that sits on the Selati suspension bridge, which spans a river in the heart of the iconic Kruger National Park, in Skukuza, Mpumalanga Province, South Africa, February 9, 2022. Picture taken February 9, 2022. REUTERS/Siphiwe Sibeko 

Guests are seen relaxing at an outdoor pool and sun terrace, of a hotel in a near 100-year-old train, that sits on the Selati suspension bridge, which spans a river in the heart of the iconic Kruger National Park, in Skukuza, Mpumalanga Province, South Africa, February 9, 2022. Picture taken February 9, 2022. REUTERS/Siphiwe Sibeko 

Hindu devotees make their way across pontoon bridges spanning the Sangam, the confluence of the Ganges, Yamuna and Saraswati rivers, after taking a holy dip to mark Mauni Amavasya, the most auspicious day during the annual religious festival of Magh Mela, during the ongoing coronavirus disease (COVID-19) pandemic, in Prayagraj, India, February 1, 2022. REUTERS/Ritesh Shukla 

Tennis - Australian Open - Melbourne Park, Melbourne, Australia - January 17, 2022 Span's Feliciano Lopez reacts during his first round match against Australia's John Millman REUTERS/James Gourley 

Semiconductor production involves hundreds of different materials and processes, with pieces of the supply chain spanning the globe. 

Chart showing how the average life span and mass of bats compare to other species. Bats have relatively long life spans for their body size, which can make it easier for viruses to persist as chronic infections are more common. 

A boat approaches the 15th May Bridge, which spans over the River Nile, in Cairo, Egypt January 30, 2021. REUTERS/Mohamed Abd El Ghany 

The 15th May Bridge, which spans the River Nile, and the surrounding buildings are seen in Cairo, Egypt January 28, 2021. REUTERS/Mohamed Abd El Ghany 

A crane installs the last span of the Padma Bridge over its river in Munshiganj, Bangladesh, December 10, 2020. REUTERS/Mohammad Ponir Hossain 

A crane installs the last span of the Padma Bridge over its river in Munshiganj, Bangladesh, December 10, 2020. REUTERS/Mohammad Ponir Hossain 

A crane installs the last span of the Padma Bridge over its river in Munshiganj, Bangladesh, December 10, 2020. REUTERS/Mohammad Ponir Hossain 

Houses across a bridge spanning the border in Lubec, Maine, U.S. are seen near the Mulholland Point lighthouse situated in a Canadian community which is only accessible from Canada by a private ferry service running during the summer, on Campobello Island, New Brunswick, Canada March 21, 2020. Picture taken March 21, 2020. REUTERS/John Morris 

Residents dine at a 500-metre-long table spanning across the length of the medieval Charles Bridge as restrictions ease following the coronavirus disease (COVID-19) outbreak, in Prague, Czech Republic June 30, 2020. REUTERS/David W Cerny 

Residents dine at a 500-metre-long table spanning across the length of the medieval Charles Bridge as restrictions ease following the coronavirus disease (COVID-19) outbreak, in Prague, Czech Republic June 30, 2020. REUTERS/David W Cerny TPX IMAGES OF THE DAY 

Residents dine at a 500-metre-long table spanning across the length of the medieval Charles Bridge as restrictions ease following the coronavirus disease (COVID-19) outbreak, in Prague, Czech Republic June 30, 2020. REUTERS/David W Cerny 

Residents dine at a 500-metre-long table spanning across the length of the medieval Charles Bridge as restrictions ease following the coronavirus disease (COVID-19) outbreak, in Prague, Czech Republic June 30, 2020. REUTERS/David W Cerny 

Residents dine at a 500-metre-long table spanning across the length of the medieval Charles Bridge as restrictions ease following the coronavirus disease (COVID-19) outbreak, in Prague, Czech Republic June 30, 2020. REUTERS/David W Cerny 

Residents dine at a 500-metre-long table spanning across the length of the medieval Charles Bridge as restrictions ease following the coronavirus disease (COVID-19) outbreak, in Prague, Czech Republic June 30, 2020. REUTERS/David W Cerny 

Residents dine at a 500-metre-long table spanning across the length of the medieval Charles Bridge as restrictions ease following the coronavirus disease (COVID-19) outbreak, in Prague, Czech Republic June 30, 2020. REUTERS/David W Cerny 

Acrobats perform as residents dine at a 500-metre-long table spanning across the length of the medieval Charles Bridge as restrictions ease following the coronavirus disease (COVID-19) outbreak, in Prague, Czech Republic June 30, 2020. REUTERS/David W Cerny 

Acrobats perform as residents dine at a 500-metre-long table spanning across the length of the medieval Charles Bridge as restrictions ease following the coronavirus disease (COVID-19) outbreak, in Prague, Czech Republic June 30, 2020. REUTERS/David W Cerny 

Acrobats perform as residents dine at a 500-metre-long table spanning across the length of the medieval Charles Bridge as restrictions ease following the coronavirus disease (COVID-19) outbreak, in Prague, Czech Republic June 30, 2020. REUTERS/David W Cerny 

Residents dine at a 500-metre-long table spanning across the length of the medieval Charles Bridge as restrictions ease following the coronavirus disease (COVID-19) outbreak, in Prague, Czech Republic June 30, 2020. REUTERS/David W Cerny 

Residents dine at a 500-metre-long table spanning across the length of the medieval Charles Bridge as restrictions ease following the coronavirus disease (COVID-19) outbreak, in Prague, Czech Republic June 30, 2020. REUTERS/David W Cerny 

Residents dine at a 500-metre-long table spanning across the length of the medieval Charles Bridge as restrictions ease following the coronavirus disease (COVID-19) outbreak, in Prague, Czech Republic June 30, 2020. REUTERS/David W Cerny 

Residents dine at a 500-metre-long table spanning across the length of the medieval Charles Bridge as restrictions ease following the coronavirus disease (COVID-19) outbreak, in Prague, Czech Republic June 30, 2020. REUTERS/David W Cerny 

Residents dine at a 500-metre-long table spanning across the length of the medieval Charles Bridge as restrictions ease following the coronavirus disease (COVID-19) outbreak, in Prague, Czech Republic June 30, 2020. REUTERS/David W Cerny 

Residents dine at a 500-metre-long table spanning across the length of the medieval Charles Bridge as restrictions ease following the coronavirus disease (COVID-19) outbreak, in Prague, Czech Republic June 30, 2020. REUTERS/David W Cerny 

Residents dine at a 500-metre-long table spanning across the length of the medieval Charles Bridge as restrictions ease following the coronavirus disease (COVID-19) outbreak, in Prague, Czech Republic June 30, 2020. REUTERS/David W Cerny 

Residents dine at a 500-metre-long table spanning across the length of the medieval Charles Bridge as restrictions ease following the coronavirus disease (COVID-19) outbreak, in Prague, Czech Republic June 30, 2020. REUTERS/David W Cerny 

Residents dine at a 500-metre-long table spanning across the length of the medieval Charles Bridge as restrictions ease following the coronavirus disease (COVID-19) outbreak, in Prague, Czech Republic June 30, 2020. REUTERS/David W Cerny 

Residents dine at a 500-metre-long table spanning across the length of the medieval Charles Bridge as restrictions ease following the coronavirus disease (COVID-19) outbreak, in Prague, Czech Republic June 30, 2020. REUTERS/David W Cerny 

Residents dine at a 500-metre-long table spanning across the length of the medieval Charles Bridge as restrictions ease following the coronavirus disease (COVID-19) outbreak, in Prague, Czech Republic June 30, 2020. REUTERS/David W Cerny 

Residents dine at a 500-metre-long table spanning across the length of the medieval Charles Bridge as restrictions ease following the coronavirus disease (COVID-19) outbreak, in Prague, Czech Republic June 30, 2020. REUTERS/David W Cerny 

Residents dine at a 500-metre-long table spanning across the length of the medieval Charles Bridge as restrictions ease following the coronavirus disease (COVID-19) outbreak, in Prague, Czech Republic June 30, 2020. REUTERS/David W Cerny 

Residents dine at a 500-metre-long table spanning across the length of the medieval Charles Bridge as restrictions ease following the coronavirus disease (COVID-19) outbreak, in Prague, Czech Republic June 30, 2020. REUTERS/David W Cerny 

Residents dine at a 500-metre-long table spanning across the length of the medieval Charles Bridge as restrictions ease following the coronavirus disease (COVID-19) outbreak, in Prague, Czech Republic June 30, 2020. REUTERS/David W Cerny 

Residents dine at a 500-metre-long table spanning across the length of the medieval Charles Bridge as restrictions ease following the coronavirus disease (COVID-19) outbreak, in Prague, Czech Republic June 30, 2020. REUTERS/David W Cerny 

Organizers prepare a 500-metre-long dining table spanning across the length of the medieval Charles Bridge as restrictions ease following the coronavirus disease (COVID-19) outbreak, in Prague, Czech Republic June 30, 2020. REUTERS/David W Cerny 

Residents dine at a 500-metre-long table spanning across the length of the medieval Charles Bridge as restrictions ease following the coronavirus disease (COVID-19) outbreak, in Prague, Czech Republic June 30, 2020. REUTERS/David W Cerny 

Organizers prepare a 500-metre-long dining table spanning across the length of the medieval Charles Bridge as restrictions ease following the coronavirus disease (COVID-19) outbreak, in Prague, Czech Republic June 30, 2020. REUTERS/David W Cerny 

Organizers prepare a 500-metre-long dining table spanning across the length of the medieval Charles Bridge as restrictions ease following the coronavirus disease (COVID-19) outbreak, in Prague, Czech Republic June 30, 2020. REUTERS/David W Cerny 

An organizer prepares a 500-metre-long table spanning across the length of the medieval Charles Bridge as restrictions ease following the coronavirus disease (COVID-19) outbreak, in Prague, Czech Republic June 30, 2020. REUTERS/David W Cerny 

Organizers prepare a 500-metre-long table spanning across the length of the medieval Charles Bridge as restrictions ease following the coronavirus disease (COVID-19) outbreak, in Prague, Czech Republic June 30, 2020. REUTERS/David W Cerny 

Organizers prepare a 500-metre-long table spanning across the length of the medieval Charles Bridge as restrictions ease following the coronavirus disease (COVID-19) outbreak, in Prague, Czech Republic June 30, 2020. REUTERS/David W Cerny 

Vancouver police stand at the entrance to the Dunsmuir Viaduct following a roadblock of the span by supporters of Black Lives Matter to protest against racial inequality in Vancouver, British Columbia, Canada June 15, 2020. REUTERS/Jennifer Gauthier 

George Washington University graduate Catalina Perez, who completed her undergraduate studies in International Affairs across the span of ten years only to miss her commencement due to the coronavirus disease (COVID-19) outbreak, beams as she receives a cake and flowers during a surprise graduation party by neighbors in Washington, U.S., May 17, 2020. REUTERS/Jonathan Ernst 

Neighbours keep a social distance as they host a surprise graduation party for George Washington University graduate Catalina Perez, who completed her undergraduate studies in International Affairs, across the span of ten years only to miss her commencement due to the coronavirus disease (COVID-19) outbreak in Washington, U.S., May 17, 2020. REUTERS/Jonathan Ernst 

George Washington University graduate Catalina Perez, who completed her undergraduate studies in International Affairs across the span of ten years only to miss her commencement due to the coronavirus disease (COVID-19) outbreak, laughs as she tries to figure out the sleeves on her gown with the help of her neighbor Jen Drew, at a surprise graduation party in Washington, U.S., May 17, 2020. REUTERS/Jonathan Ernst 

George Washington University graduate Catalina Perez, who completed her undergraduate studies in International Affairs across the span of ten years only to miss her commencement due to the coronavirus disease (COVID-19) outbreak, struts in her gown during a surprise graduation party by neighbors in Washington, U.S., May 17, 2020. REUTERS/Jonathan Ernst TPX IMAGES OF THE DAY