More than a hundred people were arrested in Brussels on Wednesday night after violent protests over the death of a man in police custody.                    
                
                        More than a hundred people were arrested in Brussels on Wednesday night after violent protests over the death of a man in police custody.                    
                
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                                        This robot automatically tucks its limbs to squeeze through spaces                                    
                                        Greta Thunberg’s new book urges the world to take climate action now