У вашего броузера проблема в совместимости с HTML5
A bridge for walking and cycling with a park on top of it, inspired by the High Line in New York has been opened in 's-Hertogenbosch, the Netherlands. More information in the blog post: https://bicycledutch.wordpress.com/2015/06/16/first-garden-bridge-in-the-netherlands-opened/
Music: Sunshine A by Kevin MacLeod, Incompetech.com