Beacons will also blaze in Northern Ireland, on Ben Nevis in Scotland, and on the River Thames in London.
The pair got the idea from the American illusionist David Blaine who recently spent 44 days without any food inside a plastic box suspended by a crane near the River Thames in London.
BBC: Andrew Coke and Steve Roberts spent 30 hours in the cage
Then in 1977 the seeds were sown of a Museum of Garden History claimed to be the first of its kind in the world in a redundant church on the south bank of the River Thames in London.
For example, the facility at Pitsea in Britain, on the banks of the River Thames near London, accepts only solid municipal and commercial waste, because European law prohibits the mingling of liquid and solid waste, and of hazardous and non-hazardous waste.
The palace lies on the north bank of the River Thames in the London borough of the City of Westminster, close to the government buildings of Whitehall.
It is also planning a project in West Africa, as well as closer to home in London, cleaning up the Thames River in the runup to the 2012 Olympics, which are to be held in the city.
C'mon, at age seven, visiting the River Thames in central London is probably on the top ten most unexciting ways to spend a crucial week of summer vacation, but if you could snag a WiFi signal whilst the 'rents oohed and ahhed at all the lovely sights, now we're talking.
ENGADGET: River Thames' banks now WiFi-enabled via mesh networking
The Royal Docks is a stretch of land in east London running from Stratford down the River Lea to the Thames, and is already home to the ExCeL exhibition and convention centre and London City Airport.
The Wey and Arun Canal, which was opened in 1816 as a link between London and the south coast via the River Thames, runs from Shalford, in Surrey, to Pallingham in West Sussex.
The 14km long River Wandle flows through south London, starting at Croydon it passes through Sutton and Merton before joining River Thames at Wandsworth.
BBC: NEWS | UK | England | London | Toxic spill in river kills fish
The Tottenham bid has been submitted in collaboration with AEG, which runs the O2 Arena beside the River Thames in Greenwich, south London.
The Environment Agency said it would close the Thames Barrier near the London stretch of the river again on Thursday evening after reopening it at 15:00 GMT.
In London, a new air tram cable car spanning the Thames River opened this week, connecting visitors with Olympic venues and giving them spectacular views of the city.
The exercise will be split into three phases, starting at Weymouth, where the 2012 sailing competitions will be staged, then testing the defence of London's airspace, and finally a major event on the River Thames.
Forgive me for saying, but those who choose "internet" over "Internet" are as wrong as those who would visit london, meet the queen or go for a boat trip down the river thames.
Encouraged by rising prices, London housing developers are cranking up production, particularly on sites along the Thames River.
Debris from the swollen River Thames has caused problems to the water cooler for the generating station which powers London Underground.
All this will draw attention to the progress that has already been made on the Thames, and might encourage further initiatives to refocus London's gaze on the river that runs through its centre.
Rowers on the River Thames have raised safety concerns over plans to redevelop Putney Pier in south-west London.
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