Friday Photo Quiz #169 - Where in the World?

Today is the winter solstice in the northern hemisphere. In scientific terms, it marks the sun's most southerly declination of -23.5 degrees.

Earth's a big place, and strange things happen as our planet moves around the sun. In honor of the solstice, today's quiz photo shows all the big fun you can have at the equator at the vernal equinox, when the sun is directly overhead there.

I can testify, on that day you can stand an egg on end on the head of a nail. Maybe you can on all other days,...