SDGs
People
Society
100
In those day, this was the most important fertilizer source for farmers.

Human waste

100

These people use ash as fertilizers.

Farmers

100

According to records, what textbook was used for more than 100 years?

Arithmetic

200

These items were precious and expensive then that ordinary people bought them from secondhand shops.

Clothes

200

Who usually walks around town singing, "Let's exchange,  let's exchange."?

metal collectors

200

In Japanese, this phrase means "mottainai".

"What a waste"

300

There was no word for this during Edo period because it was just a normal part of life.

Recycle/Recycling

300

These people repaired old pans, kettles, and pots.

Tinkers

300

Why did Japan had to be self-sufficient in all aspects of life?

national policy of isolation
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