Title
Active and passive grindstones
Caption
Active and passive grindstones. From back to front: Las Palas Plane, El Almanzora Caves and Los Murcielagos Cave; Unknown origin and Los Marmoles Cave and Mejorada del Campo. Spain.
Date
Jul 04, 2018
Credit line
Photo12/UIG/Universal History Archive
Reference
UMG21A16_307
License type
Rights managed
Available size
31,6Mb (1,3Mb) / 14,0in x 8,8in / 4193 x 2637 (300dpi)