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.
Ivan Bilibin . THE WATER KINGDOM Stageset design for Scene Six of the opera Sadko by RimskyKorsakov portalus ru auburn edu html Creator Ivan Bilibin PDoldauto Sadko opera by Bilibin Files uploaded by Shakko from various sources