OK the sound didn't come through please ignore the sound of my oxygen machine in the back so what I was saying was that alien technology comes from grabbing the spaceship at the sky and crashing it into one of the mines are usually crashed into the gold ones you have to be quick and have a notification in response to the notification if there is a rocketship in the sky if you don't respond it's just gonna keep taking your people and going from town to town which will ruin the civilization at some point