In 1911 he planned the passion faade and in 1923 the definitive solution to the naves and roofs .
1911年，高迪计划出了对正面大门的设计，1923年，他又想出了对屋顶和洞穴的成熟解决方案。
The vaulted naves , over 30 meters ( 100 feet ) high , were lightened with windows and open colonnades and supported from the exterior with spidery flying buttresses , which gave the inside an ethereal beauty .
