Cube Houses is a GPS-verified emblem in Expo Passport. The Cube Houses in Rotterdam, designed by architect Piet Blom, are an iconic architectural marvel.

Cube Houses is a GPS-verified emblem in Expo Passport. The Cube Houses in Rotterdam, designed by architect Piet Blom, are an iconic architectural marvel. Cube Houses | Expo Emblem | Emblem is part of the wider Emblem: Digital Souvenirs website and product ecosystem.