English: why is the sky blue
German: warum ist der himmel blau
Spanish: porque el cielo es azul
French: pourquoi le ciel est bleu
Italian: perché il cielo è blu
Portuguese: porque é que o céu é azul
Dutch: waarom is de lucht blauw
Hindi: आकाश नीला क्यों है
Arabic: لم السماء زرقاء
Japanese: なぜ空は青いですか