The best strategy is to schedule two visits into your itinerary, both before and after your trips to the temples and other historical sites along the Nile.
There are no historic sites or temples on the Nile.  
mnli hypothesis: There are no historic sites or temples on the Nile.   premise: The best strategy is to schedule two visits into your itinerary, both before and after your trips to the temples and other historical sites along the Nile.