The document discusses three ancient monuments:
1) Baalbek in Lebanon, an ancient city located 85km northeast of Beirut that was not completely abandoned and now has a population of 72,000 people.
2) Al Khazneh temple in Petra, Jordan, one of the most elaborate temples in the ancient city carved out of sandstone with Greek influences.
3) Tiwanaku archaeological site in Bolivia, which was the ritual center of a major state power for 500 years near Lake Titicaca, first recorded in 1549 when being searched for as the Inca capital.