Underneath the Sphinx - Bull Guardians and Hieroglyph Puzzle

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First get the lay of the land: 2 BULL GUARDIANS...

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...2 sturdy cages on the left...

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...and right sides of the hall. There's a certain symmetry there. Each cage has a switch outside which lowers and raises the bars.

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Approach one of the bulls at a time to awaken it.

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Roll...

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...and run back to one of the cages with the bull hot on Lara's tail.

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As you run into the cage, take up a position just inside the door, on the opposite side from the switch.

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Face the doorway but stay close to the wall, out of the way. Then, when the bull charges into the cage...

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...run out to the switch...

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...and quickly use it to lower the bars...

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...trapping the bull inside.

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Repeat the process with the second guardian: run toward it to awaken it, roll and run back the way you came.

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Run into the cage...

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...and take up a position on the opposite side of the doorway from the switch.

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Wait for the bull to enter the cage then run out.

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Throw the switch and trap the bull inside. Now you can explore freely.

[Underneath the Sphinx Walkthrough]