"Demonstrators huddled in alleyways breathing through keffiyehs soaked in lemon juice."
This after "Border Police forces dispersed the rally [yesterday] by throwing stun grenades, shooting tear gas, and spraying “skunk” liquid." The protest was against the 18 year closing of Hebron's downtown Shuhada Street, which is open only to Israeli settlers. Read about it here.
Here are some protesters, presumably before they soaked their kufiyas with lemon juice.