What is the fine-grained topic of the following text: The 74,000-square-foot Expedition Peru exhibit opened in March 2018 and won the 2018 Excellence in Construction Award from the Greater Tennessee Chapter of the Associated Builders & Contractors, Inc. During a visit to Nashville Zoo, Jack Hanna praised the beautiful foliage that decorates the exhibit landscape, as well as marveled at the authentic architectural design of the structures. Only return the topic.
The Expedition Peru exhibit at Nashville Zoo