Tokyo Governor Yuriko Koike splashes water on the ground to cool down an area in Tokyo on Monday
A woman wearing a Yukata, or summer kimono, splashes water onto the hot asphalt in Tokyo
A woman splashes water during a water sprinkling event called Uchimizu in Tokyo on Monday
People fill wooden buckets with water during a water sprinkling event in Tokyo
A temperature indicator measures 41.0 degrees Celsius in Kumagaya, north of Tokyo, on Monday
A kimono-clad woman using a sun umbrella walks on a street during a heatwave in Tokyo
People cool down in a swimming pool at Toshimaen amusement park in Tokyo on Monday
Youngsters react during splashdown as they enjoy a ride down a water slide in Tokyo
A man stands under a shelter in a park in Tokyo, as Japan suffers from a heatwave
People hold umbrellas as they walk along a street during a heatwave in Tokyo