There’s a cave in France where no humans have been in 26,000 years. The walls are full of fantastic, perfectly preserved paintings of animals, ending in a chamber full of monsters 400m underground, where CO2 and radon gas concentrations provoke hallucinations.
Like a massive stone puzzle, the Great Pyramid has refused to give up all of its secrets. One of the last are two shafts out of the “Queen’s Chamber”. Purpose? Unknown, even to this day. Robots to the rescue.
Earlier this week, workers excavating the site of the future World Trade Centre unearthed an ancient wooden plank. Then another. Then an entire row, comprising what remains of a 9m long wood-hulled vessel, over 200 years old.