The curious agent looked at the slightly undulating ground beneath their feet, but this undulation lasted only briefly, almost instantaneously the earth began to tremble violently, completing the process of cracking, arching, collapsing, and leaving deep pits in the blink of an eye. The sensation of cracking soil hitting the soles of their feet arose, and only then did everyone understand why the captain told them to fly off the ground and seal their hearing. This must have been a violent explosion ahead, so intense that if their bodies were in contact with the ground, their internal organs would be injured by the explosive shock.
