Towel Day is an annual celebration on the 25th of May, as a tribute to the late author Douglas Adams (1952-2001). On that day, fans around the universe carry a towel in his honour.

Towelday.org

“Every year” on Towel day, I try to take one picture per hour. I’ve done so for several years, but I don’t know if I still have the older pictures. I will try to go through my storage disks and try to find more 🙂