Diego Arguedas OrtizFeatures correspondentGetty ImagesAn intricate system of dams, levees and tunnels defends the Japan’s capital. Will it be able to cope with climate change?Cecilia Tortajada recalls making her way down a long staircase and into of one of Japan’s engineering marvels, an enormous water tank that crowns Tokyo’s defences against flooding. When she finally reached the tank’s ground, she stood among the dozens of 500-tonne pillars supporting the ceiling. In the cavernous, shrine-lik...