TOKYO — Three inches of glass. That’s all that separated me and a small group of tourists from the great plunge. We were standing some 1,500 feet above the world’s most populous city on the ...

Tokyo is awash with skyscrapers offering bird's-eye views across the city. All have been eclipsed by the Skytree, which not only dominates the city's skyline but is also the world's tallest free ...