Tourism in Turkey important tourism spots not only in Turkey but also in the world. There are thousands of hotels and other tourist-oriented industries in the city, catering to both vacationers and visiting professionals. Turkey's largest city and metropolis and a leading global city, Istanbul, has a number of major attractions derived from its historical status as capital of the Byzantine and Ottoman Empires. These include the Sultan Ahmed Mosque (the "Blue Mosque"), the Hagia Sophia, the Topkapı Palace, the Basilica Cistern, the Dolmabahçe Palace, the Galata Tower, the Grand Bazaar, the Spice Bazaar, and the Pera Palace Hotel. Istanbul has also recently
Galata Bridge It is a bascule bridge, which is long with a main span of . The deck of the bridge is wide and has three vehicular lanes and one walkway in each direction. Tram tracks were recently re-added to it, allowing the Istanbul Tram to run from Zeytinburnu, in the suburbs near Atatürk International Airport, to Kabataş, a few blocks before Dolmabahçe Palace. The rest of the bridge, including the market area on the first floor, opened to common use in 2003. The Galata Bridge was a symbolic link between the traditional city of Istanbul proper, site of the imperial palace