Palestinians are barred from using Al-Shuhada Street, a principal commercial thoroughfare."″Those who still live on Shuhada Street can't enter their own homes from the street. Some use the rooftops to go in and out, climbing from one roof to another before issuing into adjacent homes or alleys. Some have cut gaping holes in the walls connecting their homes to other (often deserted) houses and thus pass through these buildings until they can exit into a lane outside or up a flight of stairs to a passageway on top of the old casba market. According to a survey conducted by the human-rights organization B’Tselem in 2007, 42 per cent of the Palestinian population in the city center of Hebron (area H2)—some 1,014 families—have abandoned their homes and moved out, most of them to area H1, now under Palestinian control.″"</ref> As a result, about half the Arab shops in H2 have gone out of business since 1994.