This story was originally published on HackerNoon at: https://hackernoon.com/the-building-of-the-city. In their ardor they are even bold enough to slide under the moving beams, at the risk of being crippled. Let them look out! That is their affair. Check more stories related to writing at: https://hackernoon.com/c/writing. You can also check exclusive content about #non-fiction, #storybook, #hackernoon-books, #project-gutenberg, #books, #jean-henri-fabre, #science, #the-story-book-of-science, and more. This story was written by: @jeanhenrifabre. Learn more about this writer by checking @jeanhenrifabre's about page, and for more stories, please visit hackernoon.com. “THEY are noble workers” began Uncle Paul, “Many a time, when the morning sun begins to warm up, I have taken pleasure in observing the activity that reigns around their little mounds of earth, each with its summit pierced by a hole for exit and entrance. “There are some that come from the bottom of this hole. Others follow them, and still more, on and on. They carry between their teeth a tiny grain of earth, an enormous weight for them. Arrived at the top of the mound, they let their burden fall, and it rolls over the slope, and they immediately descend again into their well. They do not play on the way, or stop with their companions to rest a while. Oh! no: the work is urgent, and they have so much to do! Each one arrives, serious, with its grain of earth, deposits it, and descends in search of another. What are they so busy about?