10 Fuel-free Adventure Activities

Think extreme activities are all about hurtling down mountain verges on quad bikes or catapulting yourself out of moving airplanes? Think again – now there’s a whole host of eco friendly ways to get your kicks. Whether they get your adrenaline levels soaring or simply offer a unique way to explore the sights, these 10 adventure activities offer mind-boggling heights and break-neck speeds without a drop of fuel in sight.

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