What's your hobby?

5
The last point in the fiendishly difficult and dangerous hobbies is an activity that involves jumping from a tall structure while connected to a large elastic cord.

4

3
The third place in my list is an activity in which participants climb up, down and across natural rock formations. Thus rock climbing is a physically and mentally demanding sport, one that often tests a climber’s strength, endurance and balance along with mental control

2
The second one is an air sport in which a pilot flies a light, non-motorized aircraft called…
Refer to the history,the first aircraft was invented in 1880 in China.