Earlier this month, Chimelong successfully completed the concrete pouring of their upcoming killer whale exhibit's main pool. The main pool, which is pictured in this post, is 100 meters long and 30 meters wide and its design is described as appearing "similar to the shape of a big fish."
Sources: http://zhfb.hizh.cn/redian/430124.jhtml and http://www.hizh.cn/yaowen/430086.jhtml and http://www.laswim.com.cn/news/n1/2018/0108/1963.html and http://wemedia.ifeng.com/48799910/wemedia.shtml