Ah yes yes, I was stuck there myself.
This is what you do. You get on the grabby things on the pillars, go alllll the way around until you reach the 4th one, then look up, you have to jump upwards and cling onto the edge of that pillar, then walk towards the last beam thing. And finish.
Remember, go all the way around the objects you hang on to. You will know when you made it all the way around when you look up and are able to hop over the edge.
Basically pressing up and the jump button.
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