Bridge!

Large bridges rely on piles —long shafts of concrete, timber, or steel—driven hundreds of feet into the ground to reach stable soil.

For a truly "deep" physical piece, structural engineering focuses on the substructure that anchors a span. Bridge!

In flexibility and yoga, a "deep" bridge refers to an advanced progression of the standard pose. Large bridges rely on piles —long shafts of

To deepen the stretch, walk your feet closer to your hands and push into your feet to straighten your legs. Bridge!