Open this photo in gallery: Many people have chosen to remain in southern Lebanon as tensions increase on its border with Israel.Nathan Vanderklippe/The Globe and Mail A dull thud of shelling echoes in from the hills of south Lebanon as Jamileh Ibrahim Fares attends to customers in her neatly arranged shop filled with calculators, coloured pens and backpacks. Not far from here lies Lebanon’s border with Israel, where simmering conflict has, many times before, erupted into war. On the other side of the border, close enough to reach by bicycle if not for the guns that regularly strafe these hills,...