100mph Zip World lines and Surf Snowdonia 'Blob' in top 20 TravelSupermarket extreme adventures in the world
The website has chosen the two attractions for its global list of 20 high adrenaline experiences
100mph Zip World lines and Surf Snowdonia 'Blob' in top 20 TravelSupermarket extreme adventures in the world
![100mph Zip World lines and Surf Snowdonia 'Blob' in top 20 TravelSupermarket extreme adventures in the world](https://www.teenfm.co.uk/wp-content/uploads/2016/09/zipsurf2.jpg)