THE 5-SECOND TRICK FOR ISTANBUL CITY SIGHTSEEING

Idea: In the main courtyard, Really don't miss out on Hagia Irene, the oldest church in Istanbul and among the list of oldest unreconstructed structures on earth.Marvel with the impressive Byzantine architecture on the Basilica Cistern, a sixth-century subterranean marvel with 336 huge columns.Though photography is allowed, all visitors are request