About 800 yards south of ground zero at Trinity Site, construction engineers built a heavy-duty 20-foot wooden platform. It had to be sturdy because they then stacked 108 tons of TNT on top of it.

“The wooden boxes used to package cheeses like Camembert do not have a dedicated recycling channel, as it would be too expensive to create a logistics chain,” Stéphanie Yon-Courtin, ...