Very cool! However, it took me a while to figure out how this was supposed to be used.

For others:

On desktop, at least, you need to click and drag up/down on the left-hand control that says "swipe" with two arrows.

Or click "Autoplay".

laszlokorte -- can I suggest that the up/down icons should also be clickable/holdable? Since they're icons, they look like buttons, not a "swipe area". And also, maybe default to having autoplay on (but still with the controls visible)? Because it was not clear to me, at first, that the whole point of the site is infinite zoom.

Mouse scroll wheel works, too