Artificial intelligent assistant

Tell me whether these London tourist attractions are free or paid: The National Gallery, The London Eye, Royal Academy of Arts', Tower of London, St. Dunstan in the East

The National Gallery - free
The London Eye - paid
Royal Academy of Arts' - free
Tower of London - paid
St. Dunstan in the East - free
Victoria and Albert Museum - free
Science Gallery London - free
Barbican Conservatory - free
Madame Tussauds London - paid
Harry Potter Studios - paid
London Zoo - paid

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