One hundred and fifty years after the Suez Canal opened, the international waterway is hugely significant to the economy of modern-day Egypt, which nationalized it in 1956. The canal, which links the Mediterranean to the Red Sea, was opened to navigation in 1869 and was expanded in 2015 to accommodate larger ships. Dug in the 19th century using "rudimentary tools," the canal has today become "a lifeline for Egypt and ...