Topics: British cave explorer Vernon Unsworth who helped rescue 12 boys and their soccer coach from a Thai cave criticised Elon Musk's child-size submarine as a publicity stunt; the Groves family from Queensland will be the first to bring Avozilla to Australia, which is a giant avocado originating from South Africa and is up to five times the size of a regular avocado; Usain Bolt is negotiating a deal to join the A-League team Central Coast Mariners in Australia.