3D illusion art
A citizen walks by a. 3D illusion artwork featuring a butterfly during the 2013 Seoul Paving Blocks Expo at Seoul Plaza in downtown Seoul, Tuesday. / Korea Times photo by Shim Hyun-chul
A citizen walks by a. 3D illusion artwork featuring a butterfly during the 2013 Seoul Paving Blocks Expo at Seoul Plaza in downtown Seoul, Tuesday. / Korea Times photo by Shim Hyun-chul