What is/are common to the two historical places known as Ajanta and Mahabalipuram? [2016]

What is/are common to the two historical places known as Ajanta and Mahabalipuram?

Ajanta Caves	Architecture at Mahabalipuram
Ajanta is a series of rock-cut caves in the Sahyadri ranges on Waghora River near Aurangabad in Maharashtra. There are a total of 29 caves there of which 25 were used as Viharas or residential caves while 4 were used as Chaitya or prayer halls. The Ajanta caves were inscribed by the Buddhist monks, under the patronage of the Vakataka kings – Harishena being a prominent one One of the oldest surviving murals of Indian sub-continent are found in these caves. The were designated a UNESCO World Heritage site in 1983, along with the nearby Ellora Caves.	The ancient port city of Mamallapuram under the Pallava dynasty in Tamil Nadu, flourished with a number of marvellous architectural structures. Declared as UNESCO World Heritage Site in 1984 by the name “Group of Monuments at Mahabalipuram. Ratha Temples or Pancha Ratha: The earliest rock cut temples in India. Rock-cut Caves: Ex. Varaha Cave Temple, Krishna Cave Temple, and Panchapandava Cave. Open Air Rock Reliefs: Arjuna’s Penance or Bhagiratha’s Penance Shore Temple Complex.
Ajanta Caves were constructed between 200 BC and 650 AD.	Temples and other architectures at Mahabalipuram were developed by Pallavas during the 7^th century and onwards.
Ajanta Caves are dominantly based on Buddhist theme (depicting figures of the Buddha and Jataka tales)	Mahabalipuram architectures have Hindu origin.