▁and ▁D rug ▁Saf ety ▁are ▁located ▁in ▁the ▁Os ong ▁Health ▁Technology ▁Administration ▁Complex . ▁ ▁Cultural ▁properties ▁Sang d angs anse ong ▁( S ang d ang ▁Mountain ▁Fort ress ) ▁lies ▁on ▁the ▁s lop es ▁of ▁M t . ▁U am ▁within ▁the ▁city ▁limits . ▁ ▁The ▁for tr ess ▁is ▁mainly ▁a ▁ ▁wall ▁that ▁st ret ches ▁over ▁ ▁in ▁circum ference . ▁ ▁The ▁present ▁walls ▁date ▁to ▁the ▁ 1 7 1 6 ▁rest oration ▁of ▁the ▁site . ▁ ▁Within ▁the ▁walls ▁lies ▁a ▁small ▁tour ist ▁village ▁that ▁has ▁several ▁restaur ants . ▁Che ong ju ▁National ▁Museum ▁also ▁lies ▁near ▁M t . ▁U am , ▁and ▁houses ▁several ▁exhib its ▁of ▁cultural ▁artifact s ▁from ▁the ▁nearby ▁area . ▁He ung de ok ▁Temple ▁Site ▁is ▁the ▁home ▁to ▁the ▁, ▁and ▁is ▁to ▁be ▁the ▁site ▁of ▁the ▁printing ▁of ▁J ik ji , ▁the ▁oldest ▁exist ent ▁book ▁printed ▁using ▁mov able ▁metal ▁type . ▁ ▁The ▁museum ▁itself ▁contains ▁exhib its ▁related ▁to ▁the ▁art ▁of ▁printing ▁through ▁the ▁ages . ▁Y ong d us aj i ▁Che old ang gan ▁( The ▁Iron ▁Flag pole ▁of ▁the ▁Y ong du ▁Temple ▁Site ) ▁is ▁designated ▁Korean ▁National ▁Tre asure ▁number ▁ 4 1 , ▁and ▁is ▁located ▁near ▁L otte ▁Department ▁Store ▁in ▁dow nt own ▁Che ong ju . ▁ ▁Made ▁of ▁twenty ▁iron ▁cyl ind ers , ▁the ▁flag pole ▁stands ▁ ▁tall ,