The London Underground is a public rapid transit system serving a large part of Greater #London and parts of the counties of Buckinghamshire, #Hertfordshire and #Essex.
Vrelo Bosne is the spring of the River Bosna located in the central region of #Bosnia and #Herzegovina, southwest of #Sarajevo. It is one of the country's top natural landmarks and is one of the most famous scenes of natural beauty in the region.
The Sabancı University Sakıp Sabancı Museum is a private fine arts museum in #Istanbul, #Turkey, dedicated to calligraphic art, religious and state documents, as well as paintings of the Ottoman era.