The Seven Wonders of the Medieval World

People have never been able to agree on the Seven Wonders of the medieval world,and this is just one of several lists that have been made.It includes building that were built before medieval era-Stonehenge is even older than any of the ancient wonders-but excludes such building as Angkor Wat,Cambodia,The Taj Mahal,India and Chichen Itza,Mexico,which were unknown to European of the time.

#StoneHenge

The famous circle of huge stones was built in stage from about 3000 BC.The origin of the stones,how they were transported (some of them weight up to 50 tonnes) and the purpose of the site remain a mystery.It was possibly some sort of ancient

#The Great Wall of China 

This was a defensive wall designed to protect China from its war like neighbour to the north.It was built in stage after 220 BC,using a huge labour force of as many as 300,000 worker.The main part is 3,460 km long and wide enough for an army to march along it ten abreast

#The Colosseum,Rome,Italy

This amphitheatre was opened in AD 80 with a huge spectacle lasting 100 days.It is oval in shape and measure 48m high,188m long and 156m wide.It could hold up to 50,000 spectators and could even br flooded for re-enactment of sea battles. 

#The Catacombs of Alexandria ( Kom El Shoqafa) Egypt

These unique Roman tombs beneath the city of Alexandria Egypt were discovered in 1900 when a donkey fell into the site.The beautiful preserved and richly carved catacombs had been tunnelled into solid rock durning the 2nd century AD.

#Hagia Sophia,Istanbul,Turkey 

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Hagia Sophia (Holy Wisdom),Istanbul,Turkey was originally built in AD 360 by the Emperor Constantius.It was later rebuilt as one of the world's finest churches,with many mosaics and ornate details.In 1453 the church was convered into an Islamic mosque.

#The Learning Tower of Pisa,Italy 

The building of the bell tower of Pisa cathedral began in 1173.Soon afterward the foundations began to sink into ground on one side.The design was adjusted,but by the time the tower had reached ite full height of 55m it was leaning sharply.The tilt has increased over the centuries and it is amazing that the 14,000 tonnes structure is still standing.

#The Porcelian Pagoda of Naking,China 

The Porcelain Pagoda was built in about 1412 by Emperor Yung-lo.It was an eight-side structure covered in glazed tilles,and soared to 79m.It was destroyed durning a rebellion in 1853.