Nine beaches in Sydney, including the well-known Manly beach, were closed to swimmers on Tuesday after small white and grey balls of debris washed up on the shores.

Sydney’s iconic beaches are famous worldwide for their golden sand and pristine waters. They attract millions of tourists every year, but this time, they have drawn the attention of researchers and local authorities for an unusual reason.

On Tuesday, 14th January, nine beaches in Sydney were closed to swimmers due to mysterious balls washing ashore. Local authorities have already taken measures to identify these objects of unknown origin.

Australian authorities closed nine Sydney beaches on Tuesday after mysterious white and grey spherical objects washed up along the coast.