Plovdiv of which are high. Because of these hills, Plovdiv is often referred to in Bulgaria as "The City of the Seven Hills". Plovdiv is host to a huge variety of cultural events such as the International Fair Plovdiv, the international theatrical festival "A stage on a crossroad", the TV festival "The golden chest", and many more novel festivals, such as Night/Plovdiv in September, Kapana Fest, and Opera Open. There are many preserved ruins such as the ancient Plovdiv Roman theatre, a Roman odeon, a Roman aqueduct, the Plovdiv Roman Stadium, the archaeological complex Eirene, and others. The oldest American educational
PFC Botev Plovdiv matches from the city rivals from Lokomotiv Plovdiv. During the second half of the 1980/81 season, "The Smurfs" (Lokomotiv Plovdiv) played their home matches on The College (which was followed by a relegation in the second division) as well as one match in the 2003/04 season (when Lokomotiv won the A PFG for the first time). Spartak Plovdiv also used the stadium for several matches during the 1995/1996 season. The stadium has also hosted the Bulgarian Cup final in 2000, when Levski Sofia won the cup after 2:0 against Naftex Burgas. In the summer of 2008, the stadium underwent renovations