Smoke rises on the horizon as lava flows from a volcano on the Canary island of La Palma, Spain on Wednesday Oct. 6, 2021. A volcano that has destroyed nearly 1,000 buildings on a Spanish island increased its explosive power, roaring louder and spewing thicker lava flowing out of its main vent. The eruption started on Sept. 19 and has forced the evacuation of over 6,000 residents of the island of La Palma. (AP Photo/Daniel Roca)

Saharan dust storm carries volcanic ash to Cuba

A large sandstorm originating from North Africa is arriving in Cuba after traveling more than 4,000 miles over the Atlantic Ocean. On Wednesday, clouds of sand and dust shrouded the island nation, in turn, obstructing the sky and prompting worries of public health.