You go through a glass tunnel in the middle of a 200,000 gallon tank, and the sea creatures swim all around you. They call it the "Shark Voyage Train".
This couple, Kathryn O'Conner and James Oliver, really love aquariums. So much so in fact that they decided to have an underwater blessing in the Ocean Reef Display in the London Aquarium on Valentine's Day. The ceremony was conducted through written cards from the other side of the glass...