Personal trainer Antonietta Orsini carries out an exercise class for her neighbours from her balcony while Italians cannot leave their homes due to the coronavirus disease (COVID-19) outbreak, in Rome, Italy, March 18, 2020. (Photo by Remo Casilli/Reuters)

Overlooking qingshuitan Wetland Park in the air, thousands of Chinese fir trees turn green. Gaoyou City, Jiangsu Province, China, April 20, 2020. April 22 is world earth day. (Photo credit should read Costfoto/Barcroft Media via Getty Images)

The aerobatic demonstration team of the Italian Air Force, the Frecce Tricolori (“Tricolor Arrows”), fly over the Basilica of Saint Mary of Health as they perform as part of a nationwide tour to show unity and solidarity following the outbreak of the coronavirus disease (COVID-19), in Venice, Italy, May 29, 2020. (Photo by Manuel Silvestri/Reuters)

Artists wear colourful “deconfinement hats” made of paper mache and inspired by Song dynasty headwear, for social distancing, at 59 Rivoli gallery in Paris as it prepares a general reopening later in the week, following the outbreak of the coronavirus disease (COVID-19) in France, June 3, 2020. (Photo by Benoit Tessier/Reuters)

Japan Agricultural Cooperation Kagawa employees arrange cubic watermelons to be shipped within the country, in Zentsuji city, Kagawa prefecture, western Japan, Wednesday, June 24, 2020. The about 18x18x18-centimeter (7x7x7-inch) square watermelons, grown in transparent square containers, will be sold for about 10,000 yen ($94) each. (Photo ny Maiko Hirai/Kyodo News via AP Photo)

A truck transporting 20 tons of fish lost its load after crashing on a road near Liepen, eastern Germany on April 20, 2018. (Photo by Stefan Sauer/AFP Photo/DPA)

A rickshaw puller transports passengers through a water-logged street after heavy rain in Kolkata, India on June 26, 2018. (Photo by Rupak De Chowdhuri/Reuters)

Animal rights activists protest against the use of animal leather in fashion businness, a few days before the fashion week opening in Milan, Italy, 16 September 2018. (Photo by Matteo Bazzi/EPA/EFE)