As the world looks on with horror at the growing civilian toll in Gaza, and Hamas and Israel consider the terms of a U.S.-proposed ceasefire, one young Palestinian architect is responding to the crisis through art. Gaza-based Tawfik Gebreel aims to send a message, in the “universal humanitarian language understood by all peoples of the world.” He is using photos of the smoke thrown up by rocket strikes and reworking the images with symbols of hope and unity.