From the ancient Indian city of Mohenjo-daro to Buddhist Gandhara art, South Asia is rich in cultural heritage but under threat from economic sprawl and a lack of restoration capabilities.
To help preserve cultural sites at risk, a group of Japanese archaeologists has set up a nonprofit organization to provide advanced equipment and pass on their know-how.
Pakistan and India, for example, have numerous cultural heritage sites. With the exception of a few famous ones, however, most are little known globally and international aid is limited. Local authorities face financial constraints and in some cases are neglecting or abandoning sites.