Caves reveal ancient art – This has been called "The Panel of Hands" in El Castillo Cave in Spain. A hand stencil here is more than 37,300 years old.
Caves reveal ancient art – Red disks in El Castillo cave have been dated back to 34,000 to 36,000 years in part, the Corredor de los Puntos. Elsewhere in the cave are disks 40,600 years old.
Caves reveal ancient art – This double "claviform" symbol on the ceiling of the Altamira Cave, in Spain, is at least 35,600 years old.
Caves reveal ancient art – In Spain's Tito Bustillo Cave, scientists found these horse paintings overlaying older red paintings, which could be 29,000 years or older.