These pictures of the London Eye cleaning were taken by a camera attached to a model helicopter. A team was using steam cleaning apparatus on the centre of the Eye.
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The action is aimed at firefighters who strike for part of a shift instead of a full day.
Stunned passers-by could barely believe their eyes when part of Covent Garden looked like it was crumbling away and taking off.
The women were originally living at a nearby hostel but forced to move out when funding was cut.