Visitors to the Tama River sit on a step in the Setagaya district of Tokyo, Japan, on Sunday, June 26, 2016. Packed trains, overcrowded schools and the country's longest waiting lists for preschool care are the norm in Setagaya, the most populous of Tokyo's 23 wards, as the Japanese continue their drift to the capital. Photographer: Yuya Shino/Bloomberg via Getty Images 世田谷区は「ふるさと納税」による直撃を受けています。平