Answer:
Tiruchirappalli is known as the 'Rock Fort City'. It is known so because of the Rock Fort which was built during the Vijayanagar Empire by Vishvanatha Nayaka. The importance of the Rock Fort Temple is that, it is the Oldest Sediment Fossil Rock than the Rocks of Greenland and Great Himalayas. According to the Archaeologists, the age of this rock is about 3800 million years. There are 300 steps laid of rock to reach the top. The Stone Carving seen here and engraved letters are dated to 3rd century B.C. on. At the top of peak is a Temple dedicated to Lord Ganesha, known as “Uchippillaiyar Koil” and Lord Shiva known as “Thayumana Swamy”.
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