A Seagull is seen flying while The Oxo Tower is seen lit up blue on July 4, 2020, in London, United Kingdom. Sunday marks the 72nd anniversary of the formation of the National Health Service (NHS). British Landmarks and some football stadiums will be lit up blue as a mark of support and gratitude for the NHS. The UK has hailed its NHS for the work they have done during the Covid-19 pandemic. (VXP Photo/ Erica Dezonne)