50 % of its visitors are local and national , while the rest are mainly of European origin .
Palma Aquarium has more than 400,000 visitors every year , with an average of over 1000 visitors a day .
50 % of Palma Aquarium 's visitors are local and national , while the rest are mainly of European origin .
Palma Aquarium has more than 400,000 visitors every year , with an average of over 1000 visitors a day .