As the world struggles to fight the coronavirus pandemic an unexpected outcome has been clearer skies.
As the virus spread and countries imposed strict nationwide lockdowns more cities began to breathe cleaner air, including New Delhi, the world's most polluted capital.
Before and after: the world on lockdown The planet's air has been able to clear while people stayed at home Location: Beijing, China Location: New Delhi, India Location: Venice, Italy Location: Paris, France Location: Los Angeles, United States Location: La Paz, Bolivia