Na krajnjem južnom dijelu je takozvana Baldvinova kula, nazvana po Baldvinu od Flandrije, koga je zarobio bugarski car Kaloyan u bici protiv vitezova u Četvrtom križarskom ratu 1205. godine.
At the southernmost end is the so-called Baldwin Tower, named after Baldwin of Flanders, who was captured by Bulgarian Tsar Kaloyan in a battle against the knights of the Fourth Crusade in 1205.