■Blue Jeans 1979-1, Blue Jeans, Chalk Maeil Newspaper Gallery, Daegu (The 5th Daegu Contemporary Art Festival- Korea and Japan Artists Seeking Tomorrow)
■ Blue Jeans 1979-10, Blue Jeans, Water, Washboard (The Washed out Blue Jeans on the Washboard) Daegu Civic Center, Daegu
■ Writing Small Letters with Big Brush, Color Pen, Water Color on the Paper, 1989
■Three Kinds of Water 2002-1, Different Shapes and Sizes Bowls, Water, Video Projector, Gallery of Hanbat Library, Daejeon, 2002
■Three Kinds of Water 2004-1, Earth, Iron, Water (On the Basis of the Principles of the Five Elements of the Chinese Cosmogony) Gongju College of Media Arts (Property of Daejeon Museum of Art from 2013)
■ Part of Three Kinds of Water 2004-1, (Showing the Three Different Kinds of Water ; Real Water, Reflected WATER and Shadow of WATER in the Water- These are changed depending on weather conditions and season.)
■Recognizing 1988-1, Photo Documentation (By the seaside, lift the stone of which two-thirds is soaked. The wet part is in accord with the lower(sea) of the horizon, the dry part is to be the upper part of the line. Bring two parts into contact with each other.) Oiyeun Island, 1988
■Three Kinds of Water 2005-1, 900 Different Shapes and Sizes Bowls, Water, Video Projector, Total Museum of Contemporary Art, Seoul, 2005
■Three Kinds of Water 2002-3, 1200 Different Shapes and Sizes Bowls, Water, Video Projector, Daejeon Municipal Museum of Art, 2002
■ Three Three Kinds of Water 2005-2, 900 Different Shapes and Sizes Bowls, Water, Video Projector, Total Museum of Contemporary Art, Seoul, 2005
■W-PIP 2011, Water-Performance & Installation Project 2004-2014, Lake Man Sagar in India
■ W-PIP 2012, Water-Performance & Installation Project 2004-2014, Lake Poyang in China
■W-PIP 2013, Water-Performance & Installation Project 2004-2014, Lake Baikal in Russia 1
■W-PIP 2013, Water-Performance & Installation Project 2004-2014, Lake Baikal in Russia 2
■W-PIP 2013, Water-Performance & Installation Project 2004-2014, Lake Baikal in Russia 3
■ Bd. 173 Nov.-Dec. 2004 of Kunstforum
■ Finding Artistic Indices of Borderlessness from Nature,