White snowflakes swirled around a 13-meter-tall giant Christmas tree. A “snow shower” spraying artificial snow five times a day. Visitors’ cheers erupted. Children dressed as snowmen and Santas posed ...

Picture a cargo hold on a ship, maybe as wide as a basketball court, as long as three placed end-to-end. With a lower, middle and upper floor. Now cram 14,000 people in this space. It’s dark. The ...