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 Lokomotiv Plovdiv club of the railway workers in Plovdiv". The first years of the team are difficult as its performance does not bring about such glory as some of the other teams of the city like Sportclub or Botev Plovdiv. The club is accepted as a member of the national sport federation a whole three years after its creation. Nevertheless, in the early 1940s the team betters their performance and in 1944 wins the Championship of Plovdiv. In an economical aspect the railway club contributes heavily to the development of sports in the region of Plovdiv, making large inputs for the improvement