A rare solar eclipse is heading toward Africa, where it will cross the continent from west to east.
The moon began partially blocking out the sun over the central Atlantic early Sunday morning and will build to a full eclipse before becoming visible in west Africa.
The best land viewing of the eclipse is expected in Gabon, where people will be able to see the event for more than a minute.
The full eclipse will only be visible along a narrow path in Africa and will end over Ethiopia and Somalia. A partial eclipse may be visible to people as far away as eastern North America and southern Europe.
Solar eclipses occur when the moon's path places it directly between the Earth and the Sun, blocking out all or part of the sun for a few minutes. This is a rare hybrid eclipse in which the moon will completely block the sun at times and leave a ring of the sun visible at others.
Viewers are warned not to look directly at an eclipse, as the sun's rays can still damage the eyes.