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
Ferens Art Gallery Ferens Art Gallery The Ferens Art Gallery is an art gallery in the English city of Kingston upon Hull. The site and money for the gallery were donated to the city by Thomas Ferens, after whom it is named. The architects were S. N. Cooke and E. C. Davies. Opened in 1927, it was restored and extended in 1991. The gallery features an extensive array of both permanent collections and roving exhibitions. Among the exhibits is a portrait of an unknown woman by Frans Hals. The building also houses a children's gallery and a popular cafe. The building is now