Zamzam is a water both natural and spiritual significance to much of humanity. It is the oldest drinking water well found on Earth today, still flowing freely day and night within Makkkah
"O our Lord! I have made some of my offspring to dwell in an uncultivable valley by Your Scared House (the Ka'bah at Makkah) in order, O our Lord, that they may perform the Prayers. So fill some hearts among men with men with love towards them, and (O Allah) provide them with fruits so that they may give thanks."
[Holy Qur'an Surah 14.37]