This website wants to involve you in a sonic experience.
All the sounds were recorded at the 'Zennewandeling', a walking trail at the following location: 50° 45' 59.42'' N,4° 17' 21.69'' E. On this trail you experience a difference in altitude of 64m.
Try scrolling and listen to your own mix.
Now you can close this window because it's definitly not helping you any further...