英文關鍵字
archeological
archeology
city
civilization
combination
conservation
construction
culture
different
dig
era
excavated
excavation
existence
historic
historical
history
journey
metro
modern
old
opposite
opposition
past
prehistoric
present
preservation
preserved
preserving
protecting
protection
remains
respect
ruins
sightseeing
station
studies
subway
time
tourism
town
tradition
traditional
transport
transportation
travel
trip
underground
united
versus