In the middle of this picture, the robotic arm is bent at nearly a 90-degree angle, with the instruments on the end of the arm reaching to the right. Behind the arm is the laboratory where it is being tested. One engineer is hidden behind a bank of computers, while another with a goatee stands watching in the back, beneath a yellow ceiling crane. Both engineers wear white lab coats. Metal lab equipment is scattered throughout the room.
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Image Credit: NASA/JPL-Caltech