Cloud City 4-34 is the thirty-fourth level of Cloud City. To pass this level with three stars, you should pop all pigs and score at least 75,000 points.
Send Rebel Pilot towards the first compressor. Steam will redirect towards over the second compressor. Split the birds to release the top platform and the bottom rebel pilot will redirect to destroy the glass support block in the leftmost structure. The central rebel birds will continue to cut the chain, releasing the compressor. Send Luke to finish the rightmost structure.