Extinct Era on Instagram: "Near the end of the Cretaceous, about 66 million years ago, dinosaurs faced the final stage of the extinction event triggered by the asteroid impact. After the initial firestorms and shock waves, global temperatures dropped as sunlight was blocked by dust, soot, and sulfur in the atmosphere. This sudden cooling created freezing conditions that many surviving animals could not endure. Large dinosaurs, already weakened by a collapsing food chain, were among the most vuln