Duck and Cover(en.wikipedia.org)2 points·by areoform·7 ปีที่แล้ว·1 commentsen.wikipedia.orgDuck and Coverhttps://en.wikipedia.org/wiki/Duck_and_cover1 commentsPost comment[–]m_a_d·7 ปีที่แล้วreplyI remember having to do this in addition to earthquake drills.