1The scale of the humanitarian crisis in the refugee camp was almost unimaginable, with thousands of people struggling to access basic necessities.
2The prospect of a global pandemic spreading rapidly across the world was unimaginable just a decade ago, yet it has become a harsh reality.
3The team's achievement in landing a robotic probe on a distant planet was unimaginable just a few years ago, and it marks a major milestone in space exploration.
4The consequences of a nuclear war would be unimaginable, causing widespread devastation and long-term damage to the environment.
5The idea that a single individual could make a significant impact on the global economy was unimaginable until the rise of social media and online platforms.