Lucid dreamers know they are dreaming, so they are usually not confused on rather they are dreaming or when they are awake.
China entered an artistic golden age under the Tang dynasty.
During that time, artists were influenced by Persian and Arab cultures.
During the Song dynasty, the invention of moveable type increased the speed at which documents could be printed.
Japanese art and culture of the 8th century were heavily influenced by the works of Tang artists.
It made steel more cost effective
