 Complete the following phrase:  Within the Tašmajdan park a sports complex of Tašmajdan Sports Centre is located. Centre administers several facilities located outside Tašmajdan, like Pionir Hall and Ice Hall. However, swimming pools are located in the park. The outdoor swimming pool was built in 19591961. Its dimensions are 50 x 20 meters; its depth varies between 2.2 and 5.0 meters; its capacity is 3,500 m3 and 2,500 seats. Next to the big one, there is a small swimming pool for children. Altogether, there is enough room for 4,000 people. It is equipped for international day-and-night competitions in swimming, water polo, water diving, etc. and also used for certain cultural venues or as an outdoor cinema during summer. It was one of the venues for the 2006 Mens European Water Polo Championship and one of the venues of the 