TUZ01:TUZLA;BOSNIA AND HERCEGOVINA,20JUL95 - Young boys from Srebrenica play war in the tent camp at the U.N. airbase in Tuzla July 20. Thousands of people fled the U.N. safe-haven of Srebrenica to the safety of the Bosnian government town of Tuzla when Bosnian Serbs over ran the enclave a week ago