☆Since 1958, Jeong Mun-gil has inherited the traditional roof tiles from its father, and has contributed to the restoration of cultural properties, including Buddhist Temples such as Buseoksa Temple in Yeongju, Bulguksa Temple in Gyeongju, and Tongdosa Temple in Yangsan; Dosanseowon Confucian Academy and old houses of in Hahoe Folk Village in Andong.

As a result of efforts to restore the traditional tile kiln, Jeong Mun-gil built the only traditional tile kiln in the country in June 2017 and is continuing its experiments and efforts to bake traditional tiles in the future.

The stone lantern in front of Muryangsujeon Hall in Buseoksa Temple in Yeongju is a stone lantern of Silla during the period of the two Koreas in front of Muryangsujeon Hall in Bukji-ri, Buseok-myeon, Yeongju-si, Gyeongsangbuk-do.

It is designated as National Treasure No. 17 of the Republic of Korea and is 2.97 meters tall. The octagonal shape is made of granite.

It is the most beautiful stone lantern representing the Unified Silla Period, and its proportionate harmony is beautiful, colorful, and elegant.

In particular, the elaboration of the bodhisattva carved on the four sides of Hwasa Stone further highlights this stone lantern.