A plaque marks the site of David's Drill (Te Vili o Tavita) where in 1897 a team from the Royal Society of London led by Professor Sir T.W. Edgeworth David bored 698 feet down into the atoll to test Darwin's theory of atoll formation. DavidsDrill TeVilioTavita RoyalSocietyofLondon TWEdgeworthDavid Darwin