David Martin tells how he discovered the skeleton of a carrier pigeoncarrying a coded message in his chimney of his home near Reigate,Surrey. Martin was renovating his fireplace when he came across thebird's remains, with a red message-barrel still attached to its leg. Warexperts are now trying to decipher the messageOriginal:- www.guardian.co.uk/world/video/2012/nov/02/carrier-pigeon-co