oil composition, air humidity, and overall weather changes, which I have compiled into a table and sent to you."Ou Yan didn't expect his efficiency to be so high, and said softly, "You've worked hard....t it said that this tomb has existed since ancient times" Liu Li asked."Yes, it existed in ancient times, but it's an empty tomb. It's covered with hieroglyphs and some kind of writing I can't deciph...