Mexico, tunnel A. Below is B: C, and D are identical.

Mexico, tunnels E and F (G, and H are identical to F)

Mexico, tunnels I, J, K and L:

Egypt, a few samples

Through the "boat" door:

Through the first "sun" door

Through first boat, then boat again:

Boat, boat, and boat again.

Etc., etc.

Maze on Mars (only seen with torch)

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