Whispering gallery to the walls, an effect that was discovered in the whispering gallery of St Paul's Cathedral in London. The extent to which the sound travels at St Paul's can also be judged by clapping in the gallery, which produces four echoes. Other historical examples are the Gol Gumbaz mausoleum in Bijapur and the Echo Wall of the Temple of Heaven in Beijing. A hemispherical enclosure will also guide whispering gallery waves. The waves carry the words so that others will be able to hear them from the opposite side of the gallery. The gallery may also be in the form
Trail of the Whispering Giants a small studio where he carves small wooden statues to raise money to create more "Whispering Giants". He travels around America to repair "Whispering Giants" he carved in the past that have not been kept up, as well as to carve new ones. The latest "Whispering Giant" carved was in Vincennes, Indiana, in 2009 out of Black Oak, but there are still eight more statues planned to be built. Trail of the Whispering Giants The Trail of the Whispering Giants is a collection of sculptures by Hungarian-born artist Peter Wolf Toth. The sculptures range in height from , and are