I uploaded a new video

I uploaded a new video Escalator or Stairs.You have to see this.

Escalator or Stairs Very cool
Video attached See what clever engineering can do!!

Watch what a group of engineers did using fun to get people to use a long staircase with a moving escalator right next to it…

At first no one took the stairs almost 97% of the people took the escalator…

Notice how scientists changed how people reacted to climbing a long stair case as first choice…66% more people took the stairs…^

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