아빠는 공부쟁이

02:37 And the Qasab reed is integral to every aspect of life. It is food for water buffalo, flour for humans and building material for these biodegradable, buoyant islands and their cathedral-like houses that they construct in as little as three days. And this dried Qasab reed, it can be bundled into columns, it can be woven into floors or roofs or walls, and it can also be twisted into a rope t..