16:00The 4 O'Clock ShowThe Leaning Tower of Pisa, Sword Swallowing and MiceBBC Radio 4 Extra Duration: 1 hour Fri 27th Feb 2015, 16:00 on BBC Radio 4 ExtraMel Giedroyc explores why mice terrify some of us, meets the man who tried to right the Leaning Tower of Pisa and learns about the perils of sword swallowing.GenresEntertainmentBrandThe 4 O'Clock Show Source: BBC Online