civilext on Instagram: "A moment of failure — but a lifetime of lessons. This real-life footage shows what can happen when formwork isn’t designed, braced, or inspected properly during concrete column casting. The result? Sudden collapse, worker danger, falling debris, and costly structural setbacks. Whether you're an engineer, site supervisor, or construction enthusiast, this is a must-watch for understanding why safety is not optional on-site. 👉 Follow @civilext_ for more real construction ca