In a Summer Marathon, Even World-Class Athletes' Lives Are at Risk from Heat Stroke In order to prevent incidences of heat stroke among athletes and spectators alike at the 2020 Tokyo Olympic and Paralympic Games, work is progressing at a fevered pitch to develop countermeasures against the heat in the stadium environs and along the marathon course. Local municipal governments are focusing their efforts on increasing the number of large trees along the course to improve shade, and on implementing road surface materials with heat shielding properties. In past Olympics and World Championships there have been cases of athletes suffering from dehydration and heat stroke, and the issue represents a major challenge for the Tokyo Games. Late July on Sotobori Avenue in Tokyo's Kanda neighborhood. Under the peak strength of the summer sun helmeted workers hoisted by cranes cut back the branches and leaves of trees lining the street by hand. It looks like ordinary pruning work, but...
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