An ancient disaster.
Here we have Marcellus Ammianus' account of the tsunami that followed the great earthquake of 365 in Crete. Still commemorated in Alexandria three centuries on as a "day of horror", the tsunami devastated the coastline of the southern Mediterranean, across Libya and Egypt.
There are only two ways one can arrange the eight trigrams. The sequence called Xian Tian or Before Heaven. Here we find the ideal world where we find a perfect balance of the Yin Yang.