"Boom!" With a loud noise, all doubts were dispelled when Hong Meihua knocked a brick on the wall. Suddenly, the underground cement floor moved aside, revealing an underground passage. The cement stairs led downwards, and below was a brightly lit, massive underground space with faint voices coming from within. Everyone's eyes lit up and they smiled.
Hong Meihua explained sternly, "This is a secret base, primarily used for intelligence analysis. Follow me, and make sure not to run or touch anything randomly; walk in my footsteps." Saying this, she headed down.
