The four astronauts aboard the Orion spacecraft have surpassed the mark set by Apollo 13 in 1970.

With a runway of smoking-hot coals laid out before them, residents in San Pedro Manrique, Spain, steel themselves as thousands of onlookers cheer them on. Although the walkers and the crowd perform very different roles during the annual June ritual, they report similar feelings: an ineffable feeling of togetherness, as if the entire group becomes one, said Dimitris Xygalatas, a cognitive anthropologist at the University of Connecticut, who witnessed the Spanish ritual years ago as a researcher.

Historical centers offer a window into the past, present, and future, protecting and exhibiting the wealth of mankind's set of experiences, culture, craftsmanship,