No air in the whale tank
How did they survive without air?
shareI thought the same. There should have been a breathing space at the top of the tank (even though it being filled with water would have been safer in dampening turbulence). Maybe there was air, and we simply didn't see it. ;-)
You might very well think that. I couldn't possibly comment.
How do you know there wasn't any air? Do you have some sort of diagram that shows us exact parameters of the tank other than what we can see through the window? If so, please provide them.
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I am not a fan. I just happen to enjoy movies. Fans are embarrassing.