House that is safe from flooding

Name :
Haruki Masuda
COUNTRY :
Japan / Toyama
AGE :
7
YEAR :
2017
PRIZE :
The Prize of the President of the Japan Patent Attorneys Association
COMMENTARY :
I drew this picture after seeing the hardship of people whose houses were flooded by a big rain. I think a house with rooms that rise like an elevator would help.
House that is safe from flooding