Chapter 280: Longevity and the Birth of a Son (Part 4) The main burial chamber was a vast, empty expanse. Cui Fengji walked forward, sweeping his flashlight across the murals on the four walls. The colors remained strikingly vivid, making him wonder what kind of pigments could possibly resist fading for so many years. "If these were ever excavated, they'd be considered national treasures, wouldn't they?" Cui Fengji muttered to himself as he moved closer to inspect a mural, but Qu Zhang suddenly…