Commuters by with the buildings of the banking district in background in Frankfurt, Germany, Thursday, February 6, 2020. (Photo by Michael Probst/AP Photo)

An artwork called “Beyond Crisis” by French artist Guillaume Legros aka Saype and created with an eco paint made out of chalk and coal over a 3000 sqm field is pictured during the coronavirus disease (COVID-19) outbreak in Leysin, Switzerland, April 24, 2020 in this picture obtained by Reuters April 26, 2020. (Photo by Valentin Flauraud/SAYPE/Handout via Reuters)

The German Society for Nature Photography (GDT) has selected its Nature Photographer of the Year 2020. Here: Winner, Other animals. Jens Cullmann – Danger in the Mud. Crocodile in a drying pool. (Photo by Jens Cullmann/2020 GDT Nature Photographer of the Year)

Sunrise in Ely, Cambridgeshire on April 15, 2020 by the River Great Ouse, England. The warm weather is set to continue until the weekend. (Photo by Veronica Johansson Poultney/Bav Media)

People take pictures of the sun rising next to the buildings of the banking district in Frankfurt, Germany, Saturday, December 28, 2019. (Photo by Michael Probst/AP Photo)

Aurora Borealis, or Northern Lights, shine over the plane wreck of a US Navy airplane – a Douglas Super DC-3 – on the Black Beach in Solheimasandur, south Iceland on January 18, 2018. (Photo by Owen Humphreys/PA Images via Getty Images)

Underwater photographer of the year 2020 and wide angle category winner: Frozen Mobile Home by Greg Lecoeur (France) in the Antarctic peninsula, Antarctica. Crabeater seals swim around an iceberg. These massive and mysterious habitats are dynamic kingdoms that support marine life. As they swing and rotate slowly through polar currents, icebergs fertilise the oceans by carrying nutrients from land that spark blooms of phytoplankton, fundamental to the carbon cycle. (Photo by Greg Lecoeur/Underwater Photographer of the Year 2020)

Tourists sit around a bonfire on the Makgadikgadi salt pan in Botswana. (Photo by Yang Mengxi/Xinhua News Agency/Barcroft Media)