Terracotta Army the earliest industrial use of lathes for polishing. The first exhibition of the figures outside of China was held at National Gallery of Victoria (NGV) in Melbourne in 1982. A collection of 120 objects from the mausoleum and 12 terracotta warriors were displayed at the British Museum in London as its special exhibition "The First Emperor: China's Terracotta Army" from 13 September 2007 to April 2008. This exhibition made 2008 the British Museum's most successful year and made the British Museum the United Kingdom's top cultural attraction between 2007 and 2008. The exhibition brought the most visitors to the museum
Architectural terracotta that heated an interior chamber from an exterior chamber. The walls "muffled" the heat so the greenware was not directly exposed to the flames. Down-draught kilns were also widely used. The interior chamber radiated heat around the terracotta by pulling in hot air from behind an exterior cavity wall. Like the muffle wall, the cavity wall protected the greenware from burning. The earliest terracotta elements were laid directly into the masonry but as structural metal became more popular terracotta was suspended by metal anchors. The development of cast and later wrought iron as a structural material was closely linked to