A bird in the labyrinth!

One bird and several tunnels, of which will be able to find a way far not even everyone. And do not want to try your hand? If the answer is yes, then proceed to work and look for the path to the stairs. It is indicated by a small square, but the road will be closed for this you have to first find the blue lever, press the spacebar, and then go to the square with the stairs. Good luck!