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The ancient city of Rhodes was founded in 408 BC. In the early 12th century, a new wall enclosed a rectangular area of 17.5 hectares. This town was conquered by the order of St John of Jerusalem occupied Rhodes (1309-1523). The medieval city of Rhodes (UNESCO world CH site) maintains the architectural character and [...]

Demonstration Case B in the city of Granada (Spain) In Granada there are around 2,000 monumental buildings with various preservation-related problems. Near Granada we can see what could be one of the first domes in the history of construction, Tholos de El Romeral, built around 3000 BC. Several tribes and cultures have been around [...]

The City of Venice (capital of the Veneto Region) is located in the North-eastern Italy. Founded in the 5° century (in the year 421) and spread over 118 small islands, Venice was inscribed in the UNESCO World Heritage List in 1987, in recognition of its unique historical, archaeological, urban and artistic heritage and exceptional [...]

Demonstration Case D in the city of Tønsberg (Tønsberg -Norway) Tønsberg, founded in the Viking-period, is one of Norway’s oldest towns dominated by a cliff with steep sides (Slottsfjellet) which contained the Castrum Tunsbergis. Although it was destroyed in 1503, structures and remains from curtain-walls, watch-towers, residential buildings and churches are still preserved. In [...]