“It’s the discovery of a lifetime!”
“The paintings are amazing…buffalo, deer, bears…er, does that look like English writing to you?”
“Impossible! These paintings are prehistoric! The caves have been sealed off for millennia.”
“But it says…Kilroy was here!”
The archaeologists stared in bafflement at the writing. Twenty feet to their left, still in darkness, lay the remains of Joe Harris, amateur inventor, ignorer of low-battery warning lights and planet Earth’s first time-traveler.