Audacious plans were announced to move three of the most important and recreate them in exact detail on higher ground out of danger.
Plans were announced to move three of the most important to higher ground because of concerns about flooding. 
mnli hypothesis: Plans were announced to move three of the most important to higher ground because of concerns about flooding.  premise: Audacious plans were announced to move three of the most important and recreate them in exact detail on higher ground out of danger.