Pollution, litter, and cars
Hitler joined the German Workers' Party, precursor of the Nazi Party, in 1919, and became its leader in 1921. In 1923, after the pronouncement at the Burgerbraukeller brewery in Munich, Hitler attempted an insurrection, known as the Beer Hall Putsch, after whose failure he was sentenced to five years in prison. During his stay in prison he wrote the first part of his book Mein Kampf, in which he exhibits his ideology together with autobiographical elements.
According to all known laws of aviation, there is no way a bee should bee able to fly. Its wings are too small to get its fat little body off the ground. The bee, of course, flies anyway. Because bees don't care what humans think is impossible.