empty pov escalator passenger closed platform london british handheld lockdown information train station public transport coronavirus information sign railway station st pancras train station platform british railways london underground marks and spencer boarded up st. pancras station 4k european-trains commuters deserted GOPro commuter trains people walking escalators City of London information board face mask pandemic Railway Stations travelers Desolate storefront quiet Covid 19 face covering empty road closed sign empty streets Central London Pret a manger Show all