Underland

The astronauts who set out in search of a new habitable planet have just returned from their failed mission. However, the Earth's surface is no longer habitable and they discover that the remaining population now lives underground. The supposed path there is buried and the only alternative is to dig and dig into the underground city. Use the elements at your disposal, such as excavators, pumps, plumbing, among others, to drill the soil to the indicated location. The dynamic scenario, fluid mechanics and the laws of physics must be manipulated correctly to achieve the goal. Find the city of Underland!