Ondoan crews shore up tunnel security under the Suez Canal

The Ismailía underpass in which the Biscayan cooperative has participated for three years is one of the largest works in Egypt

The construction of the Ismailía tunnels presented great technical difficulty, as they ran under the Suez Canal./epa
The construction of the Ismailia tunnels presented great technical difficulty, as they ran under the Suez Canal. / epa
Carmen Larrakoetxea
CARMEN LARRAKOETXEA