If you ever have a chance to visit Moscow, make sure you have enough time to visit one of its greatest attractions called Moskvarium. It is an operating oceanarium and the centre for oceanography and marine biology. Moskvarium 1. was built in 2015. The oceanarium 2. is situated on the territory of VDNH. It 3. has three zones. There 4. are 80 aquariums with more than 600 fish species. Kids especially like the petting pool. Moskvarium 5. is visited by 2 million people every year.