It was built by Zheng Yuan , a county magistrate in 1329 , the 12th year of Hongwu Year of Ming .
The Red Palace used to be an old - style school in Ming Dynasty .
Red Palace was built by Zheng Yuan , a county magistrate in 1329 , the 12th year of Hongwu Year of Ming .
The Red Palace used to be an old - style school in Ming Dynasty .