Ka cika wannan furcin: Tun shekara ta 1983, hasumiyar ta zama ɗaya daga cikin abubuwan tarihi na duniya na ƙungiyar UNESCO, tare da gidan sufi na Jerónimos. Sau da yawa ana nuna shi a matsayin alama ce ta Zamanin Bincike na Turai kuma a matsayin metonym don Fotigal ko Lisbon, saboda matsayinta na alama. An bayyana ba daidai ba cewa an gina hasumiya a tsakiyar Tagus kuma yanzu yana zaune kusa da bakin teku saboda an sake juyar da kogin bayan da
1755 Lisbon girgizar kasa. A gaskiya, an gina hasumiyar ne a kan wata ƙaramar tsibiri a kogin Tagus kusa da gabar tekun Lisbon.