C220 The Secret?

Yang Zhiming was aware that Cheng Xu was out of danger, but he recognized that some time for recuperation was still necessary.

He watched the medical cabin housing Cheng Xu with curiosity. Such technology was nonexistent on Earth, and while Yang Zhiming knew of its presence on Mars, its rarity and high usage cost meant he had never encountered one before.

Hee Zhen remarked