France, April 5 -- A cloud of sand from the Sahara Desert will cover the whole of France this weekend- an orange spectacle visible to the naked eye that may cause some health problems.

France will once again be covered by a cloud of sand from the Sahara this weekend, a phenomenon that already affected the south-east of the country last Saturday.

However, the dust will return for three days from Saturday 6 April, this time affecting the whole of the country.

The Saharan dust will tint the skies orange, to the delight of amateur photographers, but with consequences for the health of people with respiratory problems.

Weather models clearly show a cluster breaking away from North Africa, moving up towards France and continuing towards the...