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On January 7, Yoo Se Yoon took to his Instagram and began uploading his past pictures, including those he took during his high school years. One particular picture caught netizens' attention, however, as it showed Jang Dong Min baring his chiseled abs and wearing a speedo.�

The photo was uploaded with Yoo Se Yoon's caption: "Sorry that it's a triangle (possibly referring to the speedo) #hyung'sawesomebodyfromtenyearsago #it'susuallybigbutthispictureisabitweird #sorrybecauseit'sold"�

A photo posted by ? (@kkachi99) on Jan 1, 2015 at 11:17pm PST

Netizens were shocked by the ten-year-old picture, as some expressed amazement over Jang Dong Min's body and others were bewildered by the size of Jang Dong Min's head.�