sentences:  The sponsors of the exhibit, the Austrian government, the new occupier of the region, declared that this was a little pessimistic for a World's Fair.He changed his project to depict a future society in the Balkans where Catholic and Orthodox Christians and Muslims lived in harmony together; this was accepted, and he began work.Mucha immediately departed for the Balkans to make sketches of Balkan costumes, ceremonies and architecture which he put into his new work.