英文關鍵字
blue
view
sky
day
empty
new
travel
outdoors
outdoor
danger
european
modern
bridge
landscape
architecture
city
exterior
house
urban
street
disease
tourism
cityscape
landmark
town
capital
europe
historic
centre
virus
flu
issues
march
central
bridges
epidemic
pandemic
infection
Sites
2020
cases
footfall
no people
coronavirus
London UK
illustrative editorial
abandoned streets
self isolation
very few people
empty streets london uk