View full lesson: http://ed.ted.com/lessons/real-life-sunken-cities-peter-campbell Though people are most familiar with Plato's fictional Atlantis, many real underwater cities actually exist....
========== While touring the remains of
ancient Alexandria, Egypt, there are a few things that
present-day explorers should look for. First, as you travel along
the Great Harbor, keep your eyes open
for large columns and statues. Across the bay to your left is the island
where the Great Lighthouse once stood. And as you make your way through
the palaces of the Royal Quarter and reach the area where
the Library of Alexandria once stood, keep your eyes open for sharks. Because if you visit this section
of Alexandria, you'll be fifteen feet deep
in the Mediterranean Sea. Though people are most familiar
with Plato's fictional Atlantis, many real underwater cities
actually exist. Places like Alexandria, Port Royal, Jamaica, and Pavlopetri, Greece. Sunken ...