* Astronomy

Spain's Altamira caves reopen for a day

Spain's famous Altamira caves are briefly being opened to the public, for the first time in 12 years.
Five elderly Spaniards chosen in a draw can marvel at its ice-age paintings of bison, bulls and other animals.
The visit, including time accessing the caves, will last only about half an hour - allowing the group just eight minutes to admire the paintings.
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