The UK's first urban cable car is due to open in east London at midday.
The line crosses over the Thames, creating a direct link between the 02 Arena in Greenwich and the ExCel exhibition centre.
It can carry 2,500 people an hour.
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The lifeboat crew carried the pair into their boat and dropped them off back at Tower Bridge as people watched from the riverside.
The huge painting took two graffiti artists thousands of hours to complete in east London.
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