article_snippet.sent: The terraces are bordered by retaining walls of stone that can be accessed by 400 steps rising around 311 ft (95 metres).
article_snippet.sent: From this, this believes the terraced hill is 328 ft (100 metres) thick and is made up of a number of layers.
article_snippet.sent: The terraces are bordered by retaining walls of stone (pictured) that can be accessed by 400 steps rising around 311 ft (95 metres).