The ceety is regardit as ane o the main cultural centres o the day's Ukraine an historically haes an aa been a major Pols an Jewish cultural center, as Poles an Jews wur the twa main ethnicities o the ceety till the ootbreak o Warld War II an the follaein Holocaust an Pols population transfers (1944–1946). The historical hert o Lviv wi its auld biggins an cobblestane roads haes survived Warld War II an ensuin Soviet presence lairgely unscathed. The ceety haes mony industries an institutions o heicher education such as the Lviv University an the Lviv Polytechnic. Lviv is an aw a hame tae mony warld-class cultural institutions, includin a philharmonic orchestra an the famous Lviv Theatre o Opera an Ballet. The historic ceety centre is on the UNESCO Warld Heritage Leet. Lviv celebratit its 750t anniversary wi a son et lumière in the ceety centre in September 2006.