2. April 2019 20:10 by Rene Pallesen 0 Comments Japan - Osaka aquarium 2. April 2019 20:10 by Rene Pallesen | 0 Comments TweetShareThe Osaka aquarium is massive and very impressive. The centre piece is the massive tank in the middlThe Osaka aquarium is massive and very impressive. The centre piece is the massive tank in the middle with two large whale sharks and which is also full of other sharks such as hammerheads.