Local light cone? - 03/30/16 08:06 PM
This cone lay by the road for some days. No one knew it was a future light cone.
Someone used it to replace a missing bollard. Behold! a light cone.
One day, hopefully, the bollard will be replaced and it will become a past light cone.
Someone used it to replace a missing bollard. Behold! a light cone.
One day, hopefully, the bollard will be replaced and it will become a past light cone.