Tudhaliya also constructed massive new fortifications. The main casemate wall was built upon an earthen rampart to a height of 35 feet, punctuated by towers at 70-foot intervals along its entire length.The wall twice crossed a deep gorge to enclose the Lower City, the Upper City and an area to the northeast; this was surely one of the most impressive engineering achievements of the Late Bronze Age.
Excavations at the site, directed by the German archaeologist Jürgen Seeher, have indeed determined that the city was invaded and burned early in the 12th century B. But this destruction appears to have taken place after many of Hattusa’s residents had abandoned the city, carrying off the valuable (and portable) objects as well as the city’s important official records.
The site being uncovered by archaeologists was probably little more than a ghost town during its final days. C.), rebuilt the city, taking advantage of the region’s abundant sources of water, thick forests and fertile land.
The great Temple of the Storm God, Teshub, once dominated the Lower City at Hattusa.
The temple is clearly visible at left-center in the photo (which looks northwest over the ancient Lower City to modern Boghazkoy), surrounded by ritual chambers and storerooms.
But he also suffered a major military defeat to the Assyrian king Tukulti-Ninurta, which dispelled any notion that the Hittites were invincible in the field of battle.