Cloudflare detected you as not a human but a bot 
Now that I think about it: it wouldn't be too difficult to embed 1000+ images on one page. Does that mean anyone who opens that page will get a 1 hour break from Bitcointalk? Suddenly I have an evil plan for April Fools day [/color]
I had a similar experience earlier while viewing the same page, lol. I just didn't get a chance to take a screenshot. But it seems to be working fine now.[/color]