The French Trubac Caves were found with little rock formations across the floor that look like soldiers standing at attention.
Robertson is of Jewish descent, coming from his father's side of the family.
Shachar Tal has his sights set on obscure Swedish progressive rockers Änglagård, a decidedly non-mainstream band that only sporadically releases its albums.
With a new album in the works, an assortment of shows planned and a more official tour slated for later this year, RetroAct’s trajectory is heading skywards.
The carving features three distinct elements - a human face, a cornucopia and a phallus - within a space measuring 57 x 42 centimeters.
"In 20 years of studying Mars, that's the most bizarre rock I have ever seen," said one astrobiologist about the spiky rocks.
Greenwood, who is married to Israeli visual artist Sharona Katan, has recorded guitar on albums by Tassa and fellow Israeli Shye Ben Tzur before.
On-the-rise Sabrina Teitelbaum isn't afraid to put her Jewishness out there.
Their latest album is Dropout Boogie, also the name of the tour that will bring them to Europe this summer and their final date, in Israel for the first time.
The “living rocks” are native to Costesti, a small town north of Bucharest and the home of extremely unique rocks that are hard to find elsewhere.