Entitled The Great Eye, the small, temporary structure functions as a camera obscura that visitors can climb up inside using a hidden staircase.
Mirrors surround the wooden legs of the tower, so that it from afar it appears to be hovering in midair.
The structure is one of over 30 site-specific projects completed for Cley 2012, a contemporary arts festival taking place in and around a quiet village on the east coast of England.
Photography is by Raven Cozens-Hardy.
Here's some information from the festival organisers:
The Great Eye by Hudson Architects
This is The Great Eye - a new art installation by Hudson Architects.
A camera obscura that appears to float in mid-air, it stands near the village of Cley in north Norfolk and forms part of the Cley 12 Aisle and Air exhibition project, which runs from 5 July to 5 August.
The Great Eye evokes the memory of coastal buildings that have disappeared at Salthouse and Cley - whether undermined, eroded or demolished by the sea. It also reflects on church towers that appear so frequently in the Norfolk skyline.
Seen from a distance the tower appears to be floating in mid-air, creating an ambiguous relationship with the ground that Hudson Architects intend to reflect the shifting nature of the north Norfolk coastal landscape over time.
The tower is built from timber and is clad with local reeds, supported by timber supports behind a series of mirrors that reflect the sky.
Concealed inside the tower is a camera obscura which reverses the viewer's gaze. The Great Eye was built by artist and sculptor Ben Coode-Adams.
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