KHAN YOUNIS, Gaza Strip — Armed with paintbrushes and wearing surgical gloves, volunteers inside a large tent in Gaza delicately brushed dust from a stone mosaic before placing it into storage, part of an effort to preserve cultural heritage hit by conflict.

Armed with paintbrushes and wearing surgical gloves, volunteers inside a large tent in Gaza delicately brushed dust from a stone mosaic before placing it into storage, part of an…

KHAN YUNIS, Palestinian Territories: Armed with paintbrushes and wearing surgical gloves, volunteers inside a large tent in Gaza delicately brushed dust from a stone mosaic before…