Gyeongbok Palace is the Yi Dynasty (1392 ~ 1910) during the five Palace Seoul is one of the Lee dynasty is Palace, a 500-year history.

留学解答资讯网：景福宫是李朝（1392~1910年）时期首尔的五大宫之一，也是李氏王朝的正宫，具有500年历史。

youdao

It has a high place in Yi learning of Song dynasty and has a remarkable impact on later generations.

在宋代易学史上占有一定地位，对后世产生重要影响。

youdao

In the mean time, in regard to the two schools of the image-numerology and meaning-pattern in the Yi studies, the latter turned out to be the mainstream in the Song dynasty.

同时，在易学研究的象数与义理的两大方向中，义理之学成为宋代易学的主流。

youdao

Get a feel for Yi minority life in a Qing Dynasty village before it disappears.

WSJ: Only in...Yunnan

Honoring Admiral Yi Sun-Shin, famous for guiding victories against the Japanese during the Joseon Dynasty, the naval festival marks the only time during the year when Jinhae's Republic of Korea Naval Academy campus and Naval Museum are open to visitors.

CNN: Forget the North, it's cherry blossom season