“They had roads, too?” I asked. “Roads. Causeways. Canals.” Heckenberger said that some roads had been nearly a hundred and fifty feet wide. “We even found a place where the road ends at one side of a river in a kind of ascending ramp and then continues on the other side with a descending ramp. Which can only mean one thing: there had to have been some kind of wooden bridge connecting them, over an area that was a half mile long.”
