Guastavino tiles seen inside the Holy Trinity Roman Catholic Church on West 82nd Street in Manhattan.Michael Freeman

“The Guastavino construction method was absolutely revolutionary in its
day for three big reasons,” Ochsendorf said. “It was fireproof; it was
incredibly strong; and it could be built with no support from below
during construction, almost like magic.”

Read the whole story here on Aljazeera.com


Thanks to musing reader Naomi Duffey for the heads up on this one!