But on Sunday in the Japanese capital with the temperature a slightly cooler 30 Celsius, the levels of bacteria reduced to within permitted levels.
The 50-year-old man was found lying on the ground under a scorching sun on Thursday afternoon at the site where he had been laying electric cables.
The petite schoolgirl is used to punching above her weight -- since taking up karate in kindergarten she has done much to boost the profile of the Japanese martial art, set to make its Olympic debut next year.
Hundreds of thousands of people are expected to attend Olympic and Paralympic events in Tokyo during the 2020 Games, putting additional strain on the city's already notoriously crowded commuter routes.
Despite a construction boom, Tokyo could be short as many as 14,000 rooms given an expected surge of Olympics-related tourism, according to researchers.
The announcement comes less than a week after Sheikh Fahad Nasser Sabah Ahmad Al Sabah was elected President of the KOC.
Brazilian media cited a former governor of Rio de Janeiro as saying at a court hearing that he helped to orchestrate a bribe to secure the city as host of the 2016 Summer Olympic Games.
Doctors have warned the Games could see deadly medical emergencies because of the sweltering Tokyo summer heat.
French Polynesian President Edouard Fritch headed a delegation which pressed Tahiti's claims at a meeting with Paris 2024 chief Tony Estanguet last week.
The IOC stripped the AIBA of the right to run the event at next year's Games in May after an investigation into alleged serious mismanagement at boxing's crisis-ridden ruling authority.
IOC members meeting in Lausanne voted to delete the Olympic charter's ruling that host cities are determined seven years before the event to offer a more flexible timetable.
Around 98 percent of Japan's population live within one hour by car or train of the proposed route, Tokyo organisers added.
The decision followed a months-long investigation into alleged mismanagement at the crisis-riddled International Boxing Federation, the AIBA.
Tickets for the 33 sports range from the cheapest general tickets at 2,500 yen ($23) to an eye-watering 300,000 yen ($2,730) for the best seats at the opening ceremony.