Sleeping on beaches and staying social: How Australians kept cool in heat waves before modern technology - 'Mysterious balls' that washed up on Australian beaches contained faecal bacteria - Mystery balls of debris prompt closure of 9 beaches in Sydney, Australia - 9 Sydney beaches closed after mysterious ball-shaped debris washes up ashore - 9 Australian beaches closed after mysterious balls wash ashore, spoiling bathers' fun - The beautiful UK seaside town with a beach that looks like something from Australia - Why Australians are split about their beach cabanas - The dirtiest (and cleanest) beaches in Auckland - Sydney identifies 'disgusting' balls that shut beaches