This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Apollosaal Vienna . en Ballroom of the ApolloSaal in Vienna which was popular amongst music lovers It burned down in before althofen at pdf author PDArt ApolloSaal Vienna
Page 2023 Free-images.com. All images are Public Domain