Please answer the following question: Generate a question that has the following answer: a boat for the following movie plot: This section's plot summary may be too long or excessively detailed. Please help improve it by removing unnecessary details and making it more concise. (April 2015) (Learn how and when to remove this template message) Angel's Egg follows the life of an unnamed young girl living alone in an abandoned city. She cares for a large egg which she hides under her dress, protecting it while scavenging the decrepit Neo-Gothic/Art Nouveau cityscape for water and food. In a prologue, an unnamed young man watches as an orb-shaped vessel, decorated with thousands of goddess-like sculptures, descends from the sky. Awakened by the orb's alarm, the girl begins her day of scavenging, but soon crosses paths with the man on a wide street traveled only by roving tanks. Frightened by the man, who looks like a soldier and carries a threatening cross-shaped device over his shoulder, the girl runs off down an alley. When she returns to investigate, the man has left. She resumes searching for food and glass bottles, avoiding the ominous figures of men clutching harpoons which scatter the cobbled streets. After a moment of respite to eat her findings, the girl spots the man and approaches him. He turns and surprisingly produces her egg from underneath his cape; she had unthinkingly abandoned it on the plaza where she was eating. He instructs the girl to "Keep precious things inside you or you will lose them," and returns the egg. When asked what she believes is inside the egg, the girl asserts that she can't tell him. The man then suggests breaking the egg to find out, which incenses the girl and drives her storming away, only to be diligently pursued by the man. Eventually the chase gives way to the pair bonding, as the stoic fishermen figures spring to life and frighten the girl. The fishermen race after enormous shadows of coelacanth-like fish that swim across the surfaces of streets and buildings, lobbing their harpoons at the brick and stone. As the shadows swim away, the girl explains that while the fish are gone, the men...
A:
What do the couple shelter in?