With all the current problems facing Japan's rural communities, "Salt of the Earth" at the Tokyo Gallery is a visual contribution to an ongoing debate on their value and survival. The rhetoric of the show espouses the humble virtues of life in Amami, a group of islands between Kagoshima and Okinawa, though the sum total of the images, whose content is heavily filtered by stylistic devices, does not match the appeal of a gentler way of life.