1. Looking like green oil paint, the canopy of algae covered at least 70 percent of the lake's surface.
2. Green and yellow blossoms of lettuce coral are growing rampant on an underwater cliff 15 metres below the surface.
3. A glass screen protects an ancient wall but keeps the water trickling in, so green moss thrives on its rough surface.
4. But more likely than not, the tiny dots you see ploughing the pale green lake surface are actually pleasure boats.
5. As jade is covered in hard rock, miners burnish the surface until traces of green jade is exposed.