An awning above the glass provide shade in the summer and prevent overheating, whilst the concrete tube walls shelter from strong winds.
一个位于玻璃之上的雨蓬在夏天提供了荫凉同时可以避免过热,同时混凝土管道墙体保护房子不受强风的摧残。
2
Ruoqiang ultraviolet light into light shade (glass) inside, which is useless, since ultraviolet light can not penetrate the glass, it is a quartz glass tube, rather than made of silicate glass.