Where surface coal mining disfigures landscapes, these must be restored imaginatively, creating more work for labourers but also for gardening designers, arborists and the such like.
Conservation group WWF says the extensive use of cannons drains the water and electricity supplies, and the building of the pipes disfigures the mountain landscape for many years.
Guadalajarans sometimes offer it up as Exhibit A for the case that the city is a civilized place where life goes on unmarked by the violence that disfigures large parts of Mexico.