River Obelisk North

There are a few like this one in the same area

The puzzle is relatively far from the obelisk
It's in the marsh
It's IN the marsh

It's in one of the underwater rooms
The one just after the first bridge
The familiar panel is in there for a reason

Down the first set of stairs near the entrance you need to move the bridge so that the color of the water matches the color of the pipe

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This one is hardest to find when you are looking for it

Its nowhere near the other puzzles in this column
Its made of negative space
Its CHALLENGING to find the right angle

In the biggest room
By one of the exits
Try looking from that one pillar puzzle

Standing by the the pillar that opens the door to the challenge look up and to the left. The skylight will form the shape.

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This one will probably take a few tries

It takes a while to draw the whole thing
You need to be moving
Be careful not to block the sun

Try the bridge
The shadows on the bridge
It needs to be moving in reverse

Stand near the end of the long moving bridge in the marsh. Set the bridge moving toward the entrance and watch for the two semi-circles to meet. Be careful not to let other shadows including your own get in the way.

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This one will probably take a few tries

It takes a while to draw the whole thing
You need to be moving
Be careful not to block the sun

Try the bridge
The shadows on the bridge
It needs to be moving away from the entrance

Stand near the end of the long moving bridge in the marsh. Set the bridge moving away from the entrance and watch for the two semi-circles to meet. Be careful not to let other shadows including your own get in the way.