1.  The river had worn away the rock to form a natural bridge.

2.  Offering both an awe-inspiring arctic icescape and an unparalleled view of the falls, the natural bridge drew tourists from miles around.

3.  Played wonderfully by Beah Richards, Baby Suggs is a natural bridge between poetry and history, literature and cinema, fiction and reality.

4.  They have been wading across, finding a downed tree to use as a natural bridge or just hopping across shallow spots.

5.  To the north are various attractions including a natural bridge that was formed by the rough Atlantic surf.

6.  With its vast jungles and porous borders, it is a natural bridge for immigrants headed to the United States.

7.  Yosemite experts urge hikers to look for natural bridges of rocks or logs in wide, shallow area.