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CINCINNATI, Ohio (CBSMiami/AP) — The Cincinnati Zoo will reopen its Gorilla World exhibit next week with a reinforced, higher safety barrier following the death of a gorilla to protect a boy who had entered its enclosure.

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Zoo spokeswoman Michelle Curley says the new barrier railing will be 42 inches tall with solid wood beams added to the top and knotted rope netting at the bottom.

That’s a half-foot higher than the steel railing barrier a 3-year-old boy apparently climbed over to get into the enclosure last Saturday. The zoo’s dangerous animal response team killed the 17-year-old endangered western lowland gorilla after concluding the boy’s life was in danger.

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The zoo says the exhibit has been open 38 years without any problems and has passed multiple outside inspections.

The exhibit will reopen June 7.

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