You may consider a modest donation — however much you can afford, when it comes from the heart, it’s the kind of gesture that makes us warm with appreciation.
Czech republic has new Mekka of street art, which is historic town Olomouc. One of the greatest and the oldest street art festivals, that annually are held in Czech republic, is Street art festival, which takes place in Olomouc, historic town in the Unesco´s list.