The longest escape tunnel ever happens to be 5’7″ high. That was so El Chapo (who is about 5’6″) wouldn’t have to stoop. It had ventilation, electricity and, according to a Mexican newspaper, “291 trips by a dump truck would have been required to remove the 2,040 cubic meters of dirt and rubble extracted in the construction process.” The NY Review on the engineering feat that led to a relaxed escape: Making the Dogs Dance.

+ Slate: Watch El Chapo disappear from his cell with the seeming urgency of a man heading out for groceries.