Plovdiv 40,000 objects. The Museum of Natural Science was inaugurated in 1955 in the old edifice of the Plovdiv Municipality built in 1880. It is among the most important museums in the country with rich collections in its Paleontology, Mineralogy, and Botanic sections. There are several rooms for wildlife and it contains Bulgaria's largest freshwater aquarium with 40 fish species. It has a collection of minerals from the Rhodope mountains. The Museum of Aviation was established on 21 September 1991 on the territory of the Krumovo airbase to the southeast of the city. The museum possesses 59 aircraft and indoor and
PFC Lokomotiv Plovdiv can be defined as that of "Sportclub Plovdiv" (being the fan-based team), and of club of the railway workers (being the team funded by the union). In the spring of 1922 the sport club "Karadzha" is founded administratively by the consolidation of some casual football teams in one of the districts of the city of Plovdiv so that the players can compete in the Championship of Plovdiv. Two years later, in 1924, the sport club "Atletik" is formed in the same district of Plovdiv as Karadzha. On 26 July 1926 the two sport clubs from the same district, Karadzha and