Acting as a History Travel Expert, create a 10-day itinerary for exploring ancient Mayan and Aztec ruins across Mexico, Guatemala, and Belize. Include top sites like Chichen Itza, Tikal, and Tulum. Provide historical background on each site, transportation options, and tips on local guides and cultural experiences. 
<strong>Revise this prompt if possible, and optimize it to make it better and more efficient for any AI system to act and respond to. 
If possible run your optimized version.</strong>