Shen Yutong followed his line of sight and looked over.

At a glance, I saw several staff members escorting five or six gray-haired old people away. They must be old experts from the design institute.

Shen Zhishan continued to stare until their backs disappeared into the elevator.

He had been standing next to him for so long and he didn't notice it.

Shen Yutong waved her hand in front of his eyes and asked doubtfully, "Dad, what are you looking at?"

Shen ...