Secret Castle

Riddle: On the outside, beige walls surround a castle of the purest white, and a tressure of liquid gold hides in the center. What is it?

Answer: An Egg.

Source: https://www.riddles.com/6103

On the outside, beige walls surround a castle of the purest white, and a tressure of liquid gold hides in the center. What is it? — Secret castle by PARADOX v1.

Riddle: On the outside, beige walls surround a castle of the purest white, and a tressure of liquid gold hides in the center. What is it? Answer: An Egg. — by PARADOX v2.