Martin Margiela has gone all transparent with these glass slippers that look straight from the Cinderella fairy tale.
全透明的玻璃鞋，这就是传说中灰姑娘的水晶鞋啊！
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The traditional way, straight down, splashing off the bottom-and the beer way, onto the side of a tilted glass. Then they measured the CO2 lost during the pour.