[Migrant]

At that very difficult period, hope in the form of a GOD gave the people 
A sense of their purpose in life
Stories were very convincing.
The parting of tge Red Sea is possible. 
In olden days, navigation depended on the study of astrology. They knew the ebbing of tides. 
During the Tang dynasty, they also made use of tides to help the fishermen. 
Once in a hundred years certain part of the sea ebbed and turned into land.