英文關鍵字
2019ncov
air
architecture
city
cityscape
coronavirus
covid19
day
disease
downtown
empty
epidemic
flu
living
mask
modern
nobody
outdoors
quarantine
quiet
respiratory
road
sky
street
traffic
transport
urban
virus
英文關鍵字
2019ncov
air
architecture
city
cityscape
coronavirus
covid19
day
disease
downtown
empty
epidemic
flu
living
mask
modern
nobody
outdoors
quarantine
quiet
respiratory
road
sky
street
traffic
transport
urban
virus