When the stone chamber was opened to allow people to enter, there was grave concern about damages to the mural paintings due to environmental changes, such as varied temperatures and humidity conditions, the growth of fungi, and insects and other creatures.
石室が開口され、人が入り込むことによって温湿度などの環境変化、カビ、虫などの生物による壁画の劣化が懸念された。