The Public Works Authority (Ashghal) on Saturday opened Qatar’s longest and deepest bi-directional tunnel as part of the construction of the Al Rayyan Road Upgrade Project Phase 2.
https://www.gulf-times.com/story/619002/qatars-longest-deepest-two-way-tunnel-opens
cover tunnel photo by: Matt Brown from London, England / CC BY
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https://www.gulf-times.com/story/619002/qatars-longest-deepest-two-way-tunnel-opens
Qatar’s longest, deepest two-way tunnel opens
www.gulf-times.comQatar’s longest, deepest two-way tunnel opens