There are lots of people, looking for thrilling emotions! That's why extreme kinds of sport were created.
So, my idea concerns creation of another gripping activity! What if to build really high cycle track?! Standing on its pinnacle one would be able to contemplate really vast scopes... Just imagine your feelings when with extremely high speed you will be driving downwards... Adrenalin will come to your blood in such qualities that you will be satisfied awfully long after such descent!
What do you think of it?