Some 28,942 people descended on Chichen Itza to watch Kukulcan descend the great pyramid, El Castillo. In case you missed it, here’s a video of the entire day in seven minutes:

If you watch the video and don’t see anything other than a series of triangular shadows against a staircase, well, that’s just about all there is. As the video demonstrates, the fun is watching the reaction by those who come out for the event.

INAH, the federal agency in charge of Mexican ruins, tweeted that more than 80,000 people visited 12 archaeological zones during the spring equinox.