1.  The land soon reverted to its natural state.

2.  Our wildlife trips offer a thrilling encounter with wildlife in its natural state.

3.  In their natural state, mountains of this type are almost entirely covered by dense forest.

4.  Much of it is below sea level and only innumerable drainage ditches prevent it from reverting to its natural state.

5.  Some stone was transported considerable distances, or was altered by heat, but most major sources were local and provided stone which was used in its natural state.

6.  Dams and dykes will be removed to allow the delta to return to its natural state.

7.  The Dutch government has begun an ambitious plan to return large areas of farmland to their natural state as forest, wetlands and lakes.

8.  Pregnancy is a perfectly natural physical state, remember?