Budapest of Buda hills are environmentally protected. The city's importance in terms of traffic is very central, because all major European roads and European railway lines lead to Budapest. The Danube was and is still an important water-way and this region in the centre of the Carpathian Basin lies at the cross-roads of trade routes. Budapest is one of only two capital cities in the world which has thermal springs (the other being Reykjavík in Iceland). Some 125 springs produce of thermal water a day, with temperatures ranging up to 58 Celsius. Some of these waters have medicinal effects due to
Budapest history of Buda, but Budapest is still rich in renaissance and neo-renaissance buildings, like the famous Hungarian State Opera House, the St. Stephen's Basilica and the Hungarian Academy of Sciences. During the Turkish occupation (1541–1686), Islamic culture flourished in Budapest, multiple mosques and baths were built in the city. These were great examples of Ottoman architecture, which was influenced by Muslims from around the world not limited to Turkish, Iranian, Arabian and to a larger extent, Byzantine architecture as well as Islamic traditions. After Holy Army conquered Budapest they turned most of the mosques with Churches, Minarets were turned into