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full of beautiful birds and butterflies. B. Our team carries all of the equipment we need for exploration in our backpacks. C. We found one cave that had a drop of over 100 feet. D. Caves were sacred (神圣的 ) places for the ancient Maya. E. Part of our study is using satellites and radar to find cave entrances. F. It’s important that the world preserves the rain forests for many reasons. G. Our team is trying to discover caves in the jungle that were used by the ancient Maya.