Aussi disponible en: French
Icone Twitter Icone Facebook Icone Google Icone pinterest Icone delicious
armée pont

Marching on a Bridge Could Make It Collapse!

On a bridge, it is imperative that soldiers break ranks and walk normally. If they did not, the bridge might collapse! The marching rhythm would cause it to resonate, oscillate and fall.

Articles en lien

Par ici votre commentaire!