GREECE-SAMOS-WORLD CULTURAL HERITAGE-TUNNEL OF EUPALINOS

GREECE-SAMOS-WORLD CULTURAL HERITAGE-TUNNEL OF EUPALINOS

(220420) -- SAMOS, April 20, 2022 (Xinhua) -- A guide walks in the Tunnel of Eupalinos, which is situated in Samos, an island in the eastern Aegean, Greece on April 18, 2022. The Tunnel of Eupalinos is a water pipeline running through Mount Kastro in Samos, built in the 6th century BC to supply water to the ancient city of Samos. (Photo by Marios Lolos/Xinhua)

GREECE-SAMOS-WORLD CULTURAL HERITAGE-TUNNEL OF EUPALINOS

GREECE-SAMOS-WORLD CULTURAL HERITAGE-TUNNEL OF EUPALINOS

(220420) -- SAMOS, April 20, 2022 (Xinhua) -- Photo taken on April 18, 2022 shows the Tunnel of Eupalinos, which is situated in Samos, an island in the eastern Aegean, Greece. The Tunnel of Eupalinos is a water pipeline running through Mount Kastro in Samos, built in the 6th century BC to supply water to the ancient city of Samos. (Photo by Marios Lolos/Xinhua)

GREECE-SAMOS-WORLD CULTURAL HERITAGE-TUNNEL OF EUPALINOS

GREECE-SAMOS-WORLD CULTURAL HERITAGE-TUNNEL OF EUPALINOS

(220420) -- SAMOS, April 20, 2022 (Xinhua) -- Photo taken on April 18, 2022 shows a visitor in the Tunnel of Eupalinos, which is situated in Samos, an island in the eastern Aegean, Greece. The Tunnel of Eupalinos is a water pipeline running through Mount Kastro in Samos, built in the 6th century BC to supply water to the ancient city of Samos. (Photo by Marios Lolos/Xinhua)

GREECE-SAMOS-WORLD CULTURAL HERITAGE-TUNNEL OF EUPALINOS

GREECE-SAMOS-WORLD CULTURAL HERITAGE-TUNNEL OF EUPALINOS

(220420) -- SAMOS, April 20, 2022 (Xinhua) -- A guide enters the Tunnel of Eupalinos, which is situated in Samos, an island in the eastern Aegean, Greece on April 18, 2022. The Tunnel of Eupalinos is a water pipeline running through Mount Kastro in Samos, built in the 6th century BC to supply water to the ancient city of Samos. (Photo by Marios Lolos/Xinhua)