The photo of the Yutu moon rover was taken by the camera on the Chang'e-3 moon lander during the mutual-photograph process, at the Beijing Aerospace Control Center in Beijing, Dec 15, 2013. (Xinhua)

China's first lunar rover, Yutu, could not be restored to full function on Monday as expected, and netizens mourned it on Weibo, China's Twitter-like service. [Special coverage]

Yutu experienced mechanical problems on Jan 25 and has been unable to function since then.

Related: Netizens extend blessings to troubled lunar rover