For more than 30 years, Wendy Ewald has put cameras in the hands of children all over the world and helped them record their dreams and realities in images and words. Towards a Promised Land documents her work with 22 children new to the British seaside town of Margate. Some arrived fleeing countries afflicted by war, poverty or political strife, others by following their families from one town to the next. Over 18 months, Ewald photographed her subject-artists...