From Valjevo to the village Petnica leads to the paved road leading to the end of the sports - recreation center Petnica, which has four pools and courts for basketball, soccer, volleyball and mini golf. Pools are powere...
Petnica Science Center is the biggest and, probably, the oldest independent nonprofit organization for extracurricular, informal science education in South Eastern Europe. Since 1982, Petnica has organized more than 2,5...