Tourists walk past Metro sign in Boulevard Saint Germain, central Paris, France

art nouveau art deco capital cities city breaks city life city living city scene european city france french transportation holiday destinations holiday maker holiday makers metro system metropolis metropolitan city metropolitan railway m?tro de paris paris m?tro parisian transport public transport railways signposts street lamp street life street light street scene subway subways traveller travellers underground urban life visit visiting visitor capital city capitals cityscape full length full lengths holiday destination holidays outdoors outside signpost signs stock image stock photo stock photograph tourism tourist tourists travel travel photo travel photograph travel photography travel stock travels vacation vacations vertical visitors travel destinations travel destination travel experience tourism destination sightseeing travelers traveler sightseers color image color colour