At a beach near Algiers, brown algae native to the Pacific Ocean cover the golden sand, posing a threat to ecosystems native to the area and their stench repelling swimmers at the peak of summer.

Beachgoers enjoy the el Djamila beach after its reopening in Algiers, Saturday, Aug.15, 2020. Algeria started to reopen mosques, cafes, beaches and parks Saturday after five months of virus ...

At a beach near Algiers, brown algae native to the Pacific Ocean cover the golden sand, posing a threat to ecosystems native to the area and their stench repelling swimmers at the peak of summer. The ...

Volunteers remove piles of washed-up seaweed of the invasive Rugulopteryx okamurae algae, originating from east Asia, from Al-Marsa beach in Algiers on July 30, 2025. Volunteers remove piles of washed ...