One of the Mamluk-era tunnels carved into tufa rock at Nahal 'Amal, revealing the sophisticated hydraulic engineering that powered medieval sugar production. (Azriel Yechezkel / A. Frumkin et al., ...
When rolled on a moist clay tablet, these engravings left low-relief markings, signifying that the object’s owner authorized ...
In Ethiopia's Western Highlands, the Agaw people are using solar technology to sustainably cultivate their ancestral farmland ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback