▁ ▁Character istics ▁ ▁He ung in j im un ▁shows ▁architect ural ▁style ▁of ▁the ▁late ▁Jose on ▁period . ▁The ▁most ▁unusual ▁characteristic ▁is ▁its ▁built ▁outer ▁wall , ▁O ng se ong . ▁O ng se ong ▁was ▁constructed ▁to ▁compens ate ▁the ▁weak ness ▁of ▁the ▁target ▁from ▁multiple ▁inv aders . ▁It ▁protect s ▁the ▁gate ▁and ▁is ▁a ▁beautiful ▁addition . ▁ ▁Today , ▁in ▁, ▁the ▁area ▁around ▁D ong da em un ▁known ▁as ▁D ong da em un ▁Market ▁has ▁grown ▁into ▁the ▁largest ▁sho pping ▁center ▁in ▁South ▁Korea , ▁popular ▁to ▁both ▁foreign ers ▁and ▁n atives . ▁ ▁Const ruction ▁of ▁the ▁D ong da em un ▁Design ▁Pla za , ▁a ▁major ▁urban ▁development ▁land mark ▁designed ▁by ▁Z aha ▁Had id , ▁started ▁in ▁ 2 0 0 9 ▁to ▁renov ate ▁what ▁used ▁to ▁be ▁D ong da em un ▁Stadium ▁( an ▁amateur ▁baseball ▁park ) ▁and ▁was ▁officially ▁inaugur ated ▁on ▁March ▁ 2 1 , ▁ 2 0 1 4 . ▁This ▁land mark , ▁also ▁called ▁the ▁D DP , ▁is ▁the ▁center pie ce ▁of ▁South ▁Korea ' s ▁fashion ▁hub ▁and ▁popular ▁tour ist ▁destination ▁and ▁has ▁been ▁one ▁of ▁the ▁main ▁reasons ▁for ▁Se oul ' s ▁design ation ▁as ▁World ▁Design ▁Capital ▁in ▁ 2 0 1 0 . ▁ ▁Location ▁of ▁the ▁Gate ▁ ▁He ung in j im un ▁is ▁located ▁at ▁the ▁intersection ▁of ▁sub way ▁lines