On average, 1, 500 out of some 22, 000 scheduled airline flights a day were held up, leaving 100, 000 passengers fuming in lounges or sweltering on the hot tarmac.

ECONOMIST: A jam at 32,000 feet

Colombian physical trainer Diego Barragan has considerable experience of getting teams ready for the trip up the Andes to Bogota, or to the sweltering port of Barranquilla.

BBC: Tim Vickery column

Many other locales should be even more sweltering, with highs Monday forecast yet again to be around or above 100 degrees from Missouri to South Carolina.

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There's also an aerial view of the pool at Soho House that helps to answer the question of how many angels you can get on the head of a pin, or at least fashion models cheek by jowl at a scene swimming pool on a sweltering summer day.

WSJ: Open-Air Status Symbols