Here you can do a little of everything.
You have the shopping, the garden to just sit and enjoy, multiple restaurants to try and also the opportunity to visit cultural spaces like Pavilhão do Conhecimento (Pavillion dedicated to Science mostly) and Oceanário (Aquarium).
For any architecture enthusiastic Parque das Nações it's one of the best examples to see a little bit of everything and see how extravagant projects relate to other less extravagant. I guarantee you they are a lot different, even the habitation.
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