Dushanbe - Tajikistan - NationalMuseum The source is a subdomain of http://www.calguard.ca.gov/ I mailed them to ask for permission and the answer was:
Attribution-Share Alike 2.0 truetrue 27 October 2020 English Mural, Dushanbe - NationalMuseum of Antiquities author name string: Jeffrey C Rozwadowski publication