Harmful effects of block walls at elementary schools. Desire to see them removed as soon as possible from the perspective of crime prevention and disaster prevention measures.

＜prologue＞I started a blog called "The Baby Boomer Generation's Miscellaneous Blog"（Dankai-sedai no garakutatyou:団塊世代の我楽

• #Harmful effects
• #block walls

• #elementary schools

• #earthquake