Now during medieval times, diseased, dead bodies were sometimes catapulted over walls as an early form of biological warfare, and it's speculated that today, humans are being propelled over the wall as a form of immigration.
En tiempos medievales, enfermos, cadáveres a veces se catapultaban sobre muros como  la forma temprana de guerra biológica, y se especula que hoy, los humanos están siendo propulsados  sobre el muro como forma de inmigración.