Parkour: feel as if you're flying

1. dangerous

1.1. need

1.1.1. know-understand basic moves

1.1.2. train ++ + avoid accidents

2. become good

2.1. long time

2.2. avoid hurt yourself

2.3. but

2.3.1. way to exercise

2.3.2. discover -body's potential

3. Outdoor sport

3.1. move free- jump obstacles

3.2. hobby, extreme sport, art

3.2.1. go on foot dangerous

3.3. body

3.3.1. climb -run

3.3.2. get from A to B no stopping

4. excellent exercise -

4.1. keep - fit - healthy

4.2. makes- brave -confident

4.3. cheap

4.4. need-

4.4.1. physical condition

4.4.2. running shoes