Your browser reports that it doesn't support modern technologies - in this instance, WebP. This means you're most likely using Internet Explorer or Safari. Restoring images to a format you'll be able to see is an ongoing process. Please feel free to continue to use the site in the meantime.
Waterfall's recommendation is Firefox - it's fast, secure, and does a good job at protecting your privacy.
"Luigi (at a live llama): It's a cow!"
Mario: Nononono, that's a llama!
Luigi: Oh... hello, llama!
Mario: Is your mama a llama?
Luigi: Yeah, I, I bet she is!
Mario: Yeah, of course! Hahaha! Hello, little llama!
Luigi: Hello, little llama! Oh, it's so cute!