Complex sentence: Water will always flow into a salt mine where the salt barrier in the surrounding structure is breached, this happens when the salt barrier is damaged in the drilling operation or by plasticity deformation of the salt resulting in cracks.
Split into simpler sentences: Water will always flow into a salt mine where the salt barrier in the surrounding structure is breached. This happens when the salt barrier is damaged in the drilling operation or by plasticity deformation of the salt resulting in cracks.