ビル・ゲイツのインスタグラム(thisisbillgates) - 8月23日 03時30分

Let’s talk toilets. For the 3.5 billion people around the world living without access to safe sanitation, toilets are the key to a healthier life. Every year, I’m amazed by the innovative minds working to solve the global sanitation challenge. #WorldWaterWeek

[BIHAKUEN]UVシールド(UVShield)

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