Original sentence: International students from some 130 countries account for more than 20 percent of the entire student body.It is consistently ranked among Europe's top overall universities, and is an international education venue for doctoral students, with approximately 1,000 doctorates successfully completed every year, and with more than one third of the doctoral students coming from abroad.The Faculty of Physics and Astronomy is not located at either campus, but on the Philosophers' Walk, separated from the Old Town by River Neckar, and some two kilometers away from the New Campus
Edited sentence: International students from some 130 countries account for more than 20 percent of the entire student body, with more than one third of the doctoral students coming from abroad.It is consistently ranked among Europe's top overall universities, and is an internationally leading education venue for doctoral students, with approximately 1,000 doctorates successfully completed every year.The Faculty of Physics and Astronomy is in an exceptional position since its faculty buildings are located in Heidelberg's exclusive residential area, overlooking the River Neckar, the ancient town, and the castle