Chaos; Sudden change; Impact; Hard times; Crisis; Revelation; Disruption; Realizing the truth; Disillusion; Crash; Burst; Uncomfortable experience; Downfall; Ruin; Ego blow; Explosive transformation
What was thought to be solid either crumbles through neglect or is destroyed by outside forces. Usually a sign of significant change, or a major shift.
It could represent a need to shake things up a bit. Come out from your ivory tower. Lower your defenses.
Reassuringly, if the structure was weak enough to crumble, this presents an opportunity to build with a stronger foundation.