After studing many measures, including the way of detaching the mural paintings from the walls for restoration at a different place, it was finally decided to conserve them at the site without discomposing them.
石室から壁画を剥がして別途保存する方法を含め、さまざまな案が検討されたが、最終的には石室は解体せず、壁画は現地で保存することに決した。