Watching over Grenoble, silent and forever, is Mont Jalla. Atop lies Fort de La Bastille, a fortress as old as the city, once a stone guardian, now it rests, an attraction for locals and tourists alike. If you're an early bird, like myself, the Mont will be dotted with workout junkies tearing up and down its gravel paths.

simple sand castle - Google Search https://www.youtube.com/watch?v=YIrR9zM_1oo

sandcastle