Retiring Captive Orcas To Sea Sanctuaries - How It Can Be Done

"The sea pen sanctuaries are a concept similar to the land sanctuaries that are home to elephants and chimps...In this case, however, a sea pen sanctuary would be a large space in the ocean, most likely in a bay or a cove, that is enclosed by nets."

Read more: http://www.newsweek.com/retire-captive-orcas-sea-sanctuaries-392943