Describe the birthday traditions in China based on the provided text.

Birthday celebrations in China are very special. People eat very long noodles, which symbolize a long life. They eat them in soup and try not to cut them, as doing so is considered unlucky. Red eggs are also eaten, and red is a special color in China, signifying happiness and good luck. Houses are decorated with red paper, and families come together for parties. Children also receive money in red envelopes.