 The 40 ha ( 99 acres ) of forests lying in the vicinity of the Dojlidy Ponds are administered by the Central Sports and Recreation Center in Białystok ( Polish : <unk> <unk> <unk> i <unk> w Białymstoku – <unk> ) . The Dojlidy Ponds recreation area includes a public beach , walking trails , birdwatching and fishing . 
