Basic improvements in the refining of linseed oil and the availability of volatile solvents after 1400 coincided with a need for some other medium than pure egg-yolk tempera to meet the changing requirements of the renaissance (see tempera painting)."there was no clear material evidence of drying oils being used in paintings before the 12th century a.-ever oil paintings found in afghanistanstory highlights afghan cave murals show asia oil painting pre-dates european art found in caves in bamiyan, central afghanistan hardline taliban regime blew up giant buddha statues in bamiyan next article in world .
International team of conservators and archaeologists found the world's oldest-known oil paintings in a maze of caves in Afghanistan's Bamiyan Valley.
Japan and Switzerland, among others, have pledged support for the rebuilding of the statues.
Bamiyan lies on the Silk Road, which runs through the Hindu Kush mountain region, in the Bamiyan Valley.
Technical requirements of some schools of modern painting cannot be realized by traditional genres and techniques, however, and some abstract painters, and to some extent contemporary painters in traditional styles, have expressed a need for an entirely different plastic flow or viscosity that cannot be had with oil paint and its conventional additives.
They were dynamited and destroyed in March 2001 by the Taliban, on orders from leader Mullah Mohammed Omar, An envoy visiting the United States in the following weeks explained that they were destroyed to protest international aid exclusively reserved for statue maintenance while Afghanistan was experiencing famine, while the Afghan Foreign Minister claimed that the destruction was merely about carrying out Islamic religious iconoclasm.
Despite the fact that most Afghans are now Muslim, they too had embraced their past and many were appalled by the destruction.
Later, the Mughal emperor, Aurangzeb, tried to use heavy artillery to destroy the statues.
Though the figures of the two large Buddhas are almost completely destroyed, their outlines and some features are still recognizable within the recesses.
It is also still possible for visitors to explore the monks' caves and passages that connect them.