closeup of camino de santiago scallop shell in front of santiago de compostela cathedral in plaza del obradeiro, with walking

architecture art backpack building camino cathedral celebration church city closeup compostela concha conchas culture del destination ending facade finish galicia gothic historic history james landmark medieval monument obradoiro peregrination peregrines pilgrim pilgrimage pilgrims plaza rucksack santiago scallop shell sightseeing spain spanish stick style symbol tourism touristic tradition travel view walking way