Visible crew/equipment: Near the beginning when the "cavemen" are looking around after hearing the noise from the alien, you can clearly see what looks like a sneaker print in the ice, in 35,000 BC. (00:03:00)
Visible crew/equipment: Near the entrance of the building, when the fire brigade arrives, a guy holding a boom microphone is visible. (00:19:25)
Answer: The drink selection buttons were unresponsive after he deposited his coins, and then he noticed that the machine was illuminated despite being unplugged.
Phaneron ★