A crystal ball is a typical hollowed-out glass sphere filled with water, resting on a wooden base below. Because water is poured into the glass ball, it is evident that the entire base has been treated with anti-corrosion wax.
Han Zhi gently picked up the crystal ball and handed it to Su Zhen. She naturally reached out to take it, then held it up to the light to look at the scene inside.
Given the current level of craftsmanship, micro-carving was not yet possible, so the carvings on the base were relatively simple.
Chapter 230