Phil Smith and Phil Mayfield parachute off a Houston skyscraper, becoming the first two people to BASE jump from objects in all four categories: buildings, antennae, spans (bridges), and earth (cliffs).

BASE jumping

Sport of jumping from fixed objects using a parachute

BASE jumping is the recreational sport of jumping from fixed objects, using a parachute to descend to the ground. BASE is an acronym that stands for four categories of fixed objects from which one can jump: buildings, antennas, spans (bridges) and earth (cliffs). Participants…