skyscrapers of the period began to sport pointed masts—so that airships could tie up to them. That this was patently inadvisable—imagine the Hindenburg crashing in flames on Times Square—seems not to have occurred to any architect. Even in routine dockings, airships often had to discharge quantities of ballast water for purposes of stability, and it is unlikely that passersby below would have welcomed a regular downpour of aquatic bilge.