Chapter 753 A Luminous Pearl in the Night

For a long time, people have been looking for ways to accurately record time without being affected by air. The improvement of sundials and the fusion with water clocks are things that Qichaogong has...three horses straight to the palace. 。The guards at the palace gate were well aware that Ye Wen could enter the palace at any time, but they hadn't expected Third Prince to come along tonight. They co...