 About 70 have been found, many only as fragments, with a 2014 find in Thailand the first from outside the Indian subcontinent; it is assumed this was imported from India.While we can be sure of Mauryan proficiency in this field based on the descriptions of Megasthenes, unfortunately no proper representative has been found to date.Many centuries later, the paintings of the Ajanta Caves, the oldest significant body of Indian painting, show there was a well-developed tradition, which may well stretch back to Mauryan times.