Visible crew/equipment: When Lara's two Greek partners are killed in the temple, electric lights can be seen reflected in her goggles. (00:08:40)
Visible crew/equipment: During the base jumping shot, you can see what appears to be a camera man in one of the windows of the incomplete building.
Answer: The pressure in the temple would be the same as that of the water just before Lara entered the temple. So no she would not need to decompress before entering at the temple as it was open to the sea, but she would have surely suffered the bends on the rapid accent to the surface.