C213 Nine Years of Compulsory Education

"Brother, what's that?" Tang Duo bit her finger and asked Tang Sheng.

Tang Sheng rolled his eyes at her, "That's an emergency exit, you can open it if you press it. The plane is in the stratosphere now. If the door is opened, we will be immediately sucked out and smashed into pieces!"

"Ah!" Tang Duo gaped. "It's a good thing you stopped me