Waterfalls Resources
Here are some great links for more information about waterfalls to help you create your top trumps:
https://www.3dgeography.co.uk/river-waterfalls
https://www.world-of-waterfalls.com/top-10-waterfalls/
https://traveltriangle.com/blog/best-waterfalls-in-the-world/
https://www.afar.com/magazine/the-best-waterfalls-in-the-world
And here are some videos about waterfalls:
https://www.youtube.com/watch?v=XURd5-dxxwk