Church of St Mary
... that the octagonal Church of St Mary in Hartwell, Buckinghamshire, has no roof?
... that the octagonal <b id="mwD_A"><a href="./St_Mary's_Church,_Hartwell" id="mwD_E" rel="mw:WikiLink" title="St Mary's Church, Hartwell">Church of St Mary</a></b> in <a href="./Hartwell,_Buckinghamshire" id="mwD_I" rel="mw:WikiLink" title="Hartwell, Buckinghamshire">Hartwell</a>, <a href="./Buckinghamshire" id="mwD_M" rel="mw:WikiLink" title="Buckinghamshire">Buckinghamshire</a>, has no roof?