A staff member, wearing a face mask following the coronavirus disease (COVID-19) outbreak, looks at a robot at the venue for the World Artificial Intelligence Conference (WAIC) in Shanghai, China on July 9, 2020. (Photo by Aly Song/Reuters)

Black Live Matter march from Clapham Common (led by Iman, the Forever Family Force and the Slow Boys, on motorbikes) to join the Stop the Maangamizi: Afrikan Emancipation Day Reparations Rebellion in London, UK on August 1, 2020. They aim to lock-down Brixton because “WE/they are not being HEARD” in their demand for the UK Government to establish the All-Party Parliamentary Commission of Inquiry for Truth & Reparatory Justice. (Photo by Guy Bell/Alamy Live News)

Caesar McCool, a therapy llama nicknamed the “No Drama Llama” and his handler Larry McCool greet a driver in a McLaren at the site of ongoing protests against police violence and racial inequality, in Portland, Oregon, U.S., August 6, 2020. (Photo by Nathan Howard/Reuters)

Two cats watch a mouse walking on the pavement in Kuwait City on March 8,2017. (Photo by Yasser Al-Zayyat/AFP Photo)

Residents of the Huachipa populous district, east of Lima, are helped on March 17, 2017, by police and firemen rescue teams to cross over flash floods hitting their neighbourhood and isolating its residents. The climatic phenomenon El Niño is causing muddy rivers overflows on the entire Peruvian coast, isolating hundreds of people, mostly residents of Lima's industrial belt neighbourhoods. (Photo by Cris Bouroncle/AFP Photo)

A US Army M1A2 SEP tank participates in the Strong Europe Tank Challenge 2017 at the military training area in Grafenwoehr, Germany, 12 May 2017. Six North Atlantic Treaty Organization (NATO) nations and partner nations, Austria, France, Germany, Poland, Ukraine and the USA are taking part in this competing exercise. (Photo by Christian Bruna/EPA)

An Afghan man rides on his donkey, holding balloons for sale during Newroz Day celebrations, a festival marking their spring and new year, in Kabul, Afghanistan March 21, 2017. (Photo by Omar Sobhani/Reuters)