Public transport in Istanbul the funicular was opened to the public. It is still in service. A commuter rail line was built on the European side of the city from Sirkeci to Hadımköy in 1872, which was followed in 1873 on the Anatolian part from Haydarpaşa Terminal to İzmit. The ferry is one of the oldest means of transit in İstanbul, a city with two parts separated by the Bosphorus strait and surrounded by sea. In 1837, British and Russian owned boats started transport on the Bosphorus. The İstanbul Maritime Company was established in 1851 by a decree of Ottoman Sultan Abdülmecid I. The
Church of St. Mary of the Spring (Istanbul) got its name from a nearby holy spring, reputed to have healing properties. For almost fifteen hundred years, this sanctuary has been one of the most important pilgrimage sites of Greek Orthodoxy. The church is located in Istanbul, in the district of Zeytinburnu, in the neighbourhood of Balıklı, along "Balıklı Sivrikapı Sokak". It lies a few hundred meters outside the walled city, about five hundred meters from the Gate of Silivri (Turkish: "Silivri Kapısı"). The complex is protected by a high wall, and – being surrounded by Eastern Orthodox and Armenian cemeteries – lies in a green landscape. According to