Sumba is a graveyard of bodies and good intentions. Physically, it is littered with impressive megalithic tombs and their hideous modern counterparts. Financially, it is littered with development projects that haven’t quite developed anything. “Megalithic” sounds ancient, and many are, but they are still being built today. The tomb in the photo above was built in the 1970s; it took several hundred people the best part of a year to drag the stones on wooden rollers from the quarry to…