It 's a little difficult to read ( english - korean at same time ) .
The Kukkiwon ( headquarters of WTF TKD ) is the reference for Teach and Practice this marvelous marcial art .
Kukkiwon 's a little difficult to read ( english - korean at same time ) .
The Kukkiwon ( headquarters of WTF TKD ) is the reference for Teach and Practice this marvelous marcial art .