Drought-hit Panama Canal must 'adapt or die' as water levels drop

[calguy]

4. From the article:

"The dwindling freshwater cannot be replaced with sea water—as used by the Suez Canal which connects the Mediterranean with the Red Sea—as this would require massive excavations.

"Suez was much flatter and it was sand. In our case it is rock and there is a mountain range which is not very high, but it is there and it is a challenge," said Vasquez."