London shock discovery: Hidden staircase beneath historic church leads to sealed vault of coffins | World News
A routine renovation of the Garden Museum- previously the medieval St Mary-at-Lambeth church- took place in London, England, back in 2016, as a result of lifting a stone that weighed several tons, workers discovered a staircase that had been concealed for centuries. This unexpected architectural feature led directly down into a brick-vaulted area underneath the…