Day 18

For today, there is nothing much i can do but more research research and research.

So, my task for today is to research on the actions and movements of people when they walk up and down the stairs.

Tried looking for people walking up and down the stairs but can't find any suitable. ):

I also found some theory of climbing stairs.

Stair climbing is the climbing of a flight of stairs. It is often described as a "low-impact" exercise, often for people who have recently started trying to get in shape.

Climbing is the activity of using one's hands and feet (or indeed any other part of the body) to ascend a steep object. It is done both for recreation (to reach an inaccessible place, or for its own enjoyment) and professionally, as part of activities such as maintenance of a structure, or military operations.