Swallow's Nest

The bug is borrowed from @Fendi.
Today is a great holiday in Russia. May 9 is Victory Day, celebrated for 77 years. On May 2, 1945, the Red Army of the Soviet Union conquered Berlin, and at midnight on May 8, Germany signed an act of unconditional surrender. During the World War II, the whole world fought against Nazism and won.

Awesome

Spoiler: Vs

@RZK, thanks for the video solution. Another way to move B is to push it with a pillar.

Great challenge. I used the method of Helena to move B to block L.

@Helena Recognised the Castle immediately as one I have admired many times from Pinterest photographs. Still to complete but had to compliment you immediately on your design.

A cool comeback ✨

That highest ball had me stumped for the longest time so took a peek at @RZK VS and thanks! This was a cool level as it seemed to me there were sections that were puzzles all on their own that made up this masterpiece. Really enjoyed the dual bot freefall