Complex sentence: When he ran out of food and water on the fifth day, he was forced to drink his own urine, he carved his name, date of birth and presumed date of death into the sandstone canyon wall, and videotaped his last goodbyes to his family.
Split into simpler sentences: When he ran out of food and water on the fifth day, he was forced to drink his own urine. He carved his name, date of birth and presumed date of death into the sandstone canyon wall, and videotaped his last goodbyes to his family.