He touched it with his hand and realized that there was no sign of fading at all.
In some places, the colors were still very distinct.
He couldn't understand what kind of substance the person had used that allowed these to exist here for thousands of years without any change.
Sometimes, indeed, the wisdom of the ancients is hard for people to comprehend.
Finally, he shifted his position and only then did he notice that the entire walls around him were covered with these symbols and texts.
Essentially, after every interval, there seemed to be a detailed record; he estimated that there were about 13 murals in total.
Each mural likely represented a different kind of plant, but he didn't know much about them.
Lin Yi took out his phone and clearly photographed each image one by one onto his phone.
He did not know what future use they might have, but he felt it would be a waste to leave them here.