Suddenly at the 9 o""clock hour, a variety of cuckoo clocks begin sounding off the number of hours in a marvelously-detailed sequence...So his friend says to him, ""Hey, why don""t you do it like the Chinese do?"" So he says, ""How do the Chinese do it?"" And the guy says, ""Well, the Chinese, first they screw a little bit, then they stop, then they go and read a little Confucius, come back, screw a little bit more, then they stop again, go back and they screw a little bit.But the film cannot solely be interpreted in a scientific manner, because as the actors in the film discover in the long discussion scene in the Tides Restaurant, there is no solid, rational reason why the birds are attacking.The group of German school boys enthusiastically cheer and volunteer to enlist for service in World War I.