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.
Keywords from Image Description:
Houghton Krakatoa eruption. en Illustration The eruption of Krakatoa and subsequent phenomena Edited by George James Symonds Published by the Royal Society Great Britain Krakatoa Committee hollis harvard edu do vid HVD docId HVDALEPH fn permalink Houghton Library Harvard University hollis harvard edu do vid HVD docId HVDALEPH