|
From historical documents we can easily understand that there were artesian wells in ancient Egypt and China and in the Sahara, too, from earliest times. |
|
It is apparent from historical documents that artesian wells were known in ancient Egypt and China and that they have existed in the Sahara since earliest times. |
|
There are historical documents to prove that there were artesian wells in ancient Egypt and China, and that they have existed in the Sahara since earliest times. |
|
Historical documents support the theory that artesian wells were known in ancient Egypt and China and that, since earliest times they have been developed in the Sahara. |
|
The existence of artesian wells in ancient Egypt and China, and since earliest times in the Sahara, is well documented in historical records. |