Lockdown in London, Harrods rainbow display windows in Knightsbridge, during the Coronavirus pandemic 2020

london in lockdown britain british london europe england urban city city of london building landmarks landmark iconic tourist travel tourists tourism coronavirus covid 19 covid pandemic lockdown empty streets desolate deserted crisis eerie no people quarantine quiet self isolation social distancing harrods knightsbridge department store closed shut shops retail rainbow display window thank you nhs key workers rainbows