Complex sentence: The Kanheri Caves, located in Mumbai, India, are 109 rock-cut Buddhist caves dating back to the 1st century BC when the area was under the rule of the Maurayan and Kushan empires.
Split into simpler sentences: The Kanheri Caves are a number of rock-cut Buddhist caves located in Mumbai, India. The caves date back to the 1st century BC when the area was under the rule of the Maurayan and Kushan empires.