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A worker inspects the structure inside the 1.65-kilometer (1-mile) Tsuburano Tunnel on the Tomei Expressway in Yamakitamachi, Kanagawa Prefecture, eastern Japan, Monday, Dec. 3, 2012. Concrete ceiling panels fell onto moving vehicles deep inside a tunnel on another expressway in Japan Sunday, and authorities confirmed nine deaths before suspending rescue work Monday while the roof was being reinforced to prevent more collapses. (AP Photo/Kyodo News) JAPAN OUT, MANDATORY CREDIT, NO LICENSING IN CHINA, FRANCE, HONG KONG, JAPAN AND SOUTH KOREA

Deadly Japan tunnel collapse

Japanese officials ordered the immediate inspection of tunnels across

the country on Dec. 3 after nine people were killed when concrete ceiling

slabs fell from the roof of a highway tunnel onto moving vehicles below.