Festival gingerbread house

At the end of the year in North Carolina, USA, held a traditional festival dedicated to sweets, the so-called National Festival of gingerbread houses.
At the festival in 2010 before the contestants were challenged not only to create a building of sweets, but make it look like any work of architecture past or present.
For example, the contestants have created sweet similarity Leaning Tower of Pisa, the Eiffel Tower, Coliseum, Big Ben and other well-known throughout the world works.