(1) In Ajanta, several rocks were hollowed out over centuries to make artificial caves. Most of these were monasteries for Buddhist monks. Some of them were decorated with paintings.
(2) Most of the Ajanta paintings were done in the light of torches.
(3) The colours, which look new even after 1500 years, are made of plants and minerals.
(4) The artists who created these splendid works remain unknown.