Why are there life size dolls in that Japanese town​ it's a history question not health. sorry

In Japanese Town, not many people lived there. To make the area seem more full, people made life-sized dolls to represent children and people.  

Explanation:

As Japan’s population shrinks and ages, rural areas are emptying out. In one childless village, two dozen adults compensate for the absence with the company of hundreds of giant handmade dolls.

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d would be your answer