In this photo released by Clarence House, Britain's Prince Charles delivers a message as he opens the NHS Nightingale Hospital at the ExCel centre in London, via video link, in Birkhall Scotland, Friday April 3, 2020. Prince Charles remotely opened Friday the new Nightingale Hospital at London’s main exhibition and conference center, a temporary facility that will soon be able to treat 4,000 people who have contracted the COVID-19 disease. (Clarence House/via AP)