It is nice to have an opportunity to see the ancient artifacts from all over the country, I can imaging that many are tempted to make the pictures of such unique historical materials. Luckily this time it was permitted. I did not know that such artifacts are keep protected from sunlight specially to preserve them. I thought that this is just to make them more interesting in artificial light shine. The paintings are impressive, luckily good preserved too.
I am sorry to see that your post was downvoted to zero, there are many people who read your posts and like what you write about the culture and history of your country. I am wishing you nice weekend.