▁national ▁and ▁international ▁artists ▁installed ▁in ▁the ▁natural ▁environment ▁of ▁the ▁hill . ▁ ▁The ▁first ▁monument al ▁sculpt ure ▁that ▁was ▁made ▁especially ▁to ▁decor ate ▁N ut ib ara ▁was ▁the ▁Mad rem onte , ▁by ▁José ▁H ora cio ▁Bet an cur ▁in ▁ 1 9 5 3 . ▁Since ▁its ▁delivery , ▁Mad rem onte ▁was ▁exposed ▁early ▁in ▁the ▁House ▁of ▁Culture , ▁and ▁then ▁the ▁N ut ib ara ▁hill , ▁until ▁March ▁ 2 7 , ▁ 1 9 8 6 , ▁when ▁it ▁was ▁moved ▁to ▁the ▁Botan ical ▁Garden ▁of ▁Med ell ín ▁in ▁exchange ▁for ▁sculpt ure ▁Ca ci que ▁N ut ib ara , ▁also ▁by ▁Bet an cur . ▁ ▁Carlos ▁Vie co ▁Theater ▁ ▁The ▁open ▁air ▁Carlos ▁Vie co ▁Theater ▁is ▁located ▁on ▁the ▁northern ▁slope ▁of ▁N ut ib ara ▁Hill . ▁It ▁opened ▁in ▁ 1 9 8 4 ▁and ▁was ▁designed ▁by ▁architect ▁Oscar ▁M esa . ▁The ▁the ater ▁has ▁a ▁capacity ▁of ▁ 3 , 8 0 0 ▁spect ators . ▁It ▁is ▁named ▁in ▁honor ▁of ▁the ▁Colomb ian ▁composer ▁Carlos ▁Vie co ▁Ort iz , ▁who ▁was ▁born ▁in ▁Med ell ín . ▁ ▁It ▁offers ▁all ▁kinds ▁of ▁popular ▁shows . ▁Every ▁year ▁in ▁June , ▁the ▁the ater ▁becomes ▁the ▁ep ic enter ▁of ▁the ▁concert s ▁of ▁the ▁International ▁Po etry ▁Festival . ▁There ▁are ▁also ▁frequent ▁rock ▁concert s , ▁like ▁the ▁Alt av oz ▁Festival . ▁