美國馬里蘭州的國家水族館希望把工作使命從吸引觀光客轉為動物保育，他們在2012年終止了海豚表演後，現正計劃關閉其展館。他們明白這些被圈養的海豚不適合回歸大自然，所以打算為牠們設立一個海豚庇護所，為牠們提供一個更自然的生活環境。
the National Aquarium in Maryland is hoping to switch its vision from attracting visitors to animal conservations. they have stopped their dolphins’ perform in 2012, and now they are planning to close the dolphin exhibit as well. they understand it is not possible to release their captive dolphins back to the wild, so they are now planning to set up a dolphin sanctuary, hoping to create a more natural and better living space for them.
http://wbal.com/article/107293/3/national-aquarium-may-close-its-dolphin-exhibit
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