名ばかりの防災アリーナが役立たず、だって結局外観
ガラス張り！　見た目ばかり

施設の運営が民間に任されていることが一因になっているとの指摘もある。
市は「洪水警報が出た地域はアリーナから遠く、近所で安全な施設を避難所にした」

記事
https://headlines.yahoo.co.jp/article?a=20191025-00000073-sasahi-soci&p=2

The famous disaster prevention arena is useless, because it looks after all
Glassed! Just looks

Some point out that this is due to the fact that the operation of the facility is entrusted to the private sector.
The city said, “The area where the flood warning was issued was far from the arena, and a safe facility in the neighborhood was used as a shelter.”