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Stewart Henderson presents another sparkling series of Questions Questions - the programme which offers answers to those intriguing questions of everyday life, inspired by current events and popular culture.
Each programme is compiled directly from the well-informed and inquisitive Radio 4 audience, who bring their unrivalled collective brain to bear on these puzzlers every week.
In this week's programme Stewart ventures into the mystery of the maze to find out what exactly these landscaped convolutions were for. And from mazes to webs - the worldwide one to be precise, he finds out just how much power it takes to keep such technological wizardry going. And finally, armed with a trowel he drops into the city of Verulamium below St. Albans to find out why ancient settlements end up underneath us.
Producer: Kate Taylor
A Whistledown Production for BBC Radio 4.