Briefly talk about the structure of Shenyang Imperial Palace in your own words.

Shenyang Forbidden City is located in Shenyang, which is the Shengjing Palace before the Qing Dynasty entered the customs and the capital palace after it entered the customs. It is a palace built by Nuerhachi, Emperor Taizong of Qing Dynasty, and Huang Taiji, Emperor Taizong of Qing Dynasty. The most striking thing about Shenyang Imperial Palace is Dazheng Hall. This octagonal double eaves, yellow tile green eaves and golden dragon coiled column felt building was built in Nurhachi period. There are 10 square flag pavilions in front of the temple, arranged in two rows, which were built according to the tent pattern of Hanwang and Minister Baylor of the Eight Banners when they marched and hunted. The four flags are woven into a wing, which is collectively called the Fifteen Kings Pavilion or the Eight Flags Pavilion. "The role of Nianzi Rong is to create the summer in our region. It is prudent that thrift does not replace the calendar year." This is a couplet inscribed by Qianlong in Chongzheng Hall. Go north through Yimen next to Chongzheng Hall. The Phoenix Tower and the Fifth Palace on the stage are 4 meters high. It was the imperial palace before the Qing Dynasty. In the Qing Dynasty, Phoenix Tower was the tallest building in Shenyang, and people called it "Phoenix Tower and Xiaoyue" the first of the eight scenic spots in Shengjing. The fifth palace behind Fenglou is where Huang Taiji and his concubines eat and live.