In reply to johncoxmysteriously:
The same guy painted the boulders in Chad and Morocco. His name is Jean Verame, and his website seems to be down but you can read some of the content in Googles cache :
"Jean Verame : Man of action, Man of contemplation, Man of peace.
It is the desert, its silence, its sheer cliffs and rocks, its tent of blue sky that calls to Jean Verame, visionary artist. He answers by creating archetypal mysteries with colors spread on rock formations and escarpments in arids an lonely lanscapes : in the mountainous Tibesti desert of northwestern Chad ; in the Atlas Mountains of Morocco near Tafraoute ; on a desolate plateau of the Sïnaï.The lifeless landscape of the Sïnaï’s Hallawi Plateau over which a few years earlier tanks had rolled in battle formation was animated by deep blues, flares of red like Moses’burning bush, and black as impenetrable as the curtain covering Islam’s sacred Ka’bah. Thus transformed in 1980- 1981 by Jean Verame’s colors and glyphic signs, the hostile environment was given the title " Sïnaï Peace Junction "
Following the cessation of fighting in war-ravaged Chad, the artist sought out the Tibesti region where sphinx-like rocks had been carved millenia ealier by streams that once flowed where today there is nothing but sand and stones. Here, from March to June 1989, Jean Verame and his assistants, disregarding still-active mine fields and surveillance planes flying overhead, painted twenty-nine groups of rocks with brilliant blues, red, violet, black, and white."
and so on.
http://webcache.googleusercontent.com/search?q=cache:n51gYr9nd6oJ:www.veram...