Walls against millipedes

When I saw the news that a German town was building a wall to keep out millipedes I thought they had decided to keep that obnoxious little twerp David Milliband (aka Miilipede) out. No such luck, they were really trying to keep an invasion of the many legged beasties away! I think I would prefer the millipedes to Milliband and those of his ilk. Less slimy!