At TFL, we're making journeys safer for everyone, and that includes improving safety on London's roads.

That's why we and London boroughs are lowering more speed limits to 20 miles per hour,

because 20 miles per hour roads have already reduced collisions resulting in deaths or

serious injuries by 24%. That is how we're making journeys in London safer and brighter for everyone.

Such TFL improvement plan to the Mayor of London and TFL every journey matters.

Speaking with my colleague Charles Pelagrino, author of To Hell and Back,

last train from Hiroshima, I asked if the interim committee charged with deciding to use

the first atomic weapon in anger. Little man, if the interim committee knew of the radiation,

knew of the effect of radiation long-term, how it would damage everyone around it for years.

Charles' answer is complicated by the revelations early on that something strange had happened

over Hiroshima, and then again in Nagasaki is Charlie. They suspected, but they really did not know,

and they really did not know much about what the flash effects would be on the people,

which only after they detonated the bomb, and of course, then these reports did start coming

to Truman. He had written a letter in fact when someone had him to drop a third atomic bomb that

he would never do it. The flash effects, it's famous for the shadow people on the ground, but

that only happened within about 900 feet or so that the surface of granite would become popcorn,

and if there were people sitting on those granite steps at the bank, the shadows would be cast

into the granite. The shadow would be the part that did not pop apart.

Further out, a mile out near the Masasa bridge, for example, people on that bridge also left shadows

on the ground, but they were burned severely, instantly along one side of the body, and they did

not disappear. They survived some of them for two or three days, and by the time after Nagasaki,

we did have these reports coming in of what was happening on the ground, later came the knowledge

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