The foundation of the Partial Test Ban Treaty (which banned aboveground nuclear explosions) and various other nuclear disarmament treaties was laid largely at Pugwash.
So here you see a couple of images of reconfiguration of robogamis, exploring the foreign land aboveground, on the surface, as well as digging into the surface.
But the New York City version is a hybrid between a subterranean strain, which developed a taste for mammalian blood from sewer rats, and the more common aboveground version that prefers birds.