Kyrgios Visits World's Largest Ocean Viewing Room In Chengdu 2016 Oct 02, 2016 Nick Kyrgios visited the Cube Oceanarium, the world's largest ocean viewing room, during his time at the Chengdu Open. Video courtesy of Chengdu Open. Tags: 2016 Chengdu Nick Kyrgios Share 0 Share on Facebook Tweet Tweet on Twitter +1 +1 on Google Plus