On one of the educational channels, Johnny had seen how the ancient Incas in Peru had made huge designs that could only be seen from space, and now farmers in the US were creating corn mazes with designs that can only be seen from high flying planes or satellites.  Some (including Johnny) speculated that these designs were meant to be attempts to communicate with aliens from outer space, so with that in mind, he made his rice irrigation levees to look like dollar signs from above, clearly sending his favorite message to the aliens:  “Send Money.”. . . . .  David, Sf.G.