Day will briefly turn into night across a swathe of northern Spain on August 12, when the Moon will completely cover the Sun during a rare total solar eclipse.
Here is what you need to know about the total eclipse, which is the first visible in mainland Europe since 2006.
What is an eclipse?
Eclipses happen when the Moon passes directly between the Sun and Earth, casting a narrow band of shadow across our planet.
It creates a strange twilight during which temperatures drop, shadows appear at strange angles and some animals go to sleep.
