DStretch Version with Paint. Petroglyph G15 Khatm Al Melaha, Kalba, Sharjah. Possibly two Ibex and an indistinct animal. Difficult to seeKhatm Al Melaha is a spectacular archaeological site on the coast of the Oman Sea near Kalba in Sharjah, UAE. It is one of the largest rock art sites in the UAE. There are also stone houses, a shell midden, stone tombs and other features that date this site has having occupations from at least the early Holocene to the 19th century.