[3] A 2017 article reported that he spent 40 years creating and collecting stone sculptures.

[4] He had previously run a park from 1971 to 2009 called the Tamla Mok Seok Won, which featured unusual root and stone formations.

That park's popularity peaked in the 1970s and 1980s, before dwindling as South Koreans began traveling abroad in the 1990s.

[4][1] It has also covered Jeju shamanism, for example in an exhibit about the South Korean artist Nam June Paik.

[1] In 2024, it was announced that the park would host an upcoming UNESCO training and research center.