<P> Above the keystones of the arches , at 99 feet ( 30 m ) above the floor and 112 feet ( 34 m ) wide , runs a cornice which supports the Whispering Gallery so called because of its acoustic properties : a whisper or low murmur against its wall at any point is audible to a listener with an ear held to the wall at any other point around the gallery . It is reached by 259 steps from ground level . </P>
<P> Above the keystones of the arches , at 99 feet ( 30 m ) above the floor and 112 feet ( 34 m ) wide , runs a cornice which supports the Whispering Gallery so called because of its acoustic properties : a whisper or low murmur against its wall at any point is audible to a listener with an ear held to the wall at any other point around the gallery . It is reached by 259 steps from ground level . </P>
how many steps to the top of st pauls cathedral
how many steps to the top of st pauls cathedral
259
259