A general view of the Bank of England in London, Britain. (Photos: Xinhua)

The staff prepare to test the body temperature and disinfect the hands of visitors at the entrance of the Colonna Palace in Rome, Italy, May 23, 2020.

A boy is seen in a class at a school in Prague, Czech Republic, on May 25, 2020.

Canal cruise ships stop by the shore in Amsterdam, the Netherlands, April 23, 2020.