Ad agency Creative Orchestra is launching its own campaign to raise awareness of the importance of clean drinking water, by encouraging people to go for a walk. The twist is that people are being asked to walk from destinations starting with the letter H to destinations starting with the letter O – in recognition of water's chemical symbol, H2O.
As part of the campaign, Creative Orchestra has persuaded Transport for London to allow it to adapt the famous Tube map so that it only includes the stations beginning with H and O.
The agency has also built a dedicated website, h2owalk.org, giving more details of the campaign.
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