Natural Version, Petroglyph N18 Khatm Al Melaha, Kalba, Sharjah. One Ibex or similar animal. Likely Neolithic or earlier. [Fossati 2019 Messages from the Past: Rock Art of the Al-Hajar Mountains (Oman)].Khatm Al Melaha is on the coast of the Oman Sea near Kalba in Sharjah, UAE. It is one of the largest rock art sites in the UAE.