That's no sunspot. On the upper right of the above image of the Sun, the dark patches are actually the International Space Station (ISS) and the Space Shuttle Atlantis on mission STS-132.
Part of a space station solar panel is visible at image upper right; behind the panel, a bright region indicates the Sun low on the horizon.
右上角还能看到一小块空间站的太阳能电池板；在电池板后面，绿色的部分表明太阳光就在地平线下面。
3
The reinforced concrete face slab for the upper reservoir of the Shisanling Pumped Storage Power Station is a structure under bitter cycle of freezing and thawing.