original: the hainich has become the 13th national park of germany in 1997 .
simplifications: the hainich has become the 13th national park of germany in 1997 . hainich became the 13th national park of germany in 1997 . the hainich has become the 13th national park of germany in 1997 . hainich is the 13th national park of germany in 1997 . the hainich has become the 13th national park of germany in 1997 . hainich is the 13th national park of germany . the 13th national park was the hainich , becoming on in germany in 1997 . in 1997 , the hainich became the 13th national park of germany .