The World Exposition in Osaka was disrupted by a subway system malfunction late Wednesday that left many people stranded inside the venue well into the night and caused the opening to be delayed the following day.A power failure hit the Osaka Metro's Chuo Line, which is the only direct train link from the city center to the expo site on Yumeshima, the artificial island that hosts the expo.Train services were halted at around 9:30 p.m. Wednesday -- 30 minutes before the expo usually closes -- and the line was only back to full operation early the next morning.About 30,000 people were inside …READ FULL ARTICLE
