But is there a limit to how connected crowds really want to be?
"We can raise it up again after a year to change the batteries. That means we can avoid using divers, which is a really risky operation that we wanted to avoid," he said.
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Дания захотела отказать в убежище украинцам призывного возраста09:44
В Финляндии предупредили об опасном шаге ЕС против России09:28
Ahmed, who is a consultant surgeon and also carries out gastric band surgeries, said: "We don't know whether it's the injections that are causing the gallstones, or is it because the injections are causing rapid weight loss, which then in turn causes the gallstones?