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RABAT, March 1 (Xinhua) -- Africa's longest cable-stayed bridge Mohammed VI Bridge was inspected by three Moroccan "Ninjas" on Friday.
In front of cameras, the three people made their first demonstration of "Ninja-Tech" method, which allows the inspection of engineering structures and tall buildings without the use of heavy access equipment.
According to the Moroccan National Motorway Company, the "Ninjas" received two years of training in Morocco and Japan.
After the training, they passed a professional exam and obtained the certification of "Ninja-Tech" in May 2018 as the first non-Japanese Ninjas in the world.
