"Behold The Gentle Giants Of The Past! Ground Sloths, A Diverse Group Of Mammals, Roamed The Americas For Countless Millennia. Stretching Their Range From Alaska To Argentina, These Magnificent Creatures Left An Indelible Mark On The Landscape. However, The Story Took A Somber Turn As The March Of Time Unfolded. By Around 10,000 Years Ago, A Combination Of Climate Change And Human Hunting Exacted A Heavy Toll, Leading To The Extinction Of All Mainland Species Of Ground Sloth. Their Disappearance Marked The End Of An Era And Left A Void In The Natural World They Once Called Home"
Given all the historical evidence available, empirical and anecdotal, it is, and always will be, the most logical conclusion.
me- "Oooh, right. The walls. The walls for Kuzco. The walls chosen specially to protect Kuzco. Kuzco's walls.... Those walls?"
Also, dinosaurs existed all over the planet and when people discovered the fossils, they had no idea what they were. This explains why mythical creature legends (like dragons) exist in almost every ancient culture.