We flew above some interesting river formations en route from Hong Kong to Wuhan.
What do you think of the river bend at the left? Does it look like the head and eyes of a snake? Note how the smaller, greener river joins the bigger, muddier one at the right? The green one simply gets swallowed by the muddy one.
A good illustration of the Chinese idiom 涇渭分明. When the two rivers of comparable size merge, the demarcation line is very clear at the beginning, but gradually becomes more and more blurry.
A dragon flying through the clouds, with claws extended?