Why Do Many People Visit Lourdes?

There is a Shrine at Lourdes with a pool. When the water stirs in the pool, people have received miraculous healings. The place became holy after it was visited by the Virgin Mary, and The child she appeared to, was instructed to dig into the earth there, uncovering a spring. Please click on a star next to the sords RATE THIS ANSWER, please, this will help me get credit for my answer thanks a bunch...*p