english: For example, before aerial package delivery entered our social consciousness, an autonomous fleet of flying machines built a six-meter-tall tower composed of 1,500 bricks in front of a live audience at the FRAC Centre in France, and several years ago, they started to fly with ropes.
non_english: Na primer, pre nego što je vazdušna  dostava paketa ušla u našu društvenu svest, autonoman skup letećih mašina napravio je toranj od 6 metara sačinjen od 1500 cigla, pred publikom, u centru FRAC u Francuskoj, i pre nekoliko godina, počeli su da lete sa konopcima.