In this essay, we will talk about how to add a picture in blog.
There are many ways to add a picture, the one to use pure markdown syntax is 
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Now I will show you a BIG picture (3600x2180):
And a small picture (30x20):
Here is a inline markdown mark .
Some other things 🔗
Note that due to the big picture is from Wikipedia who use CC-BY-SA 3.0 as license, so this essay also use [CC-BY-SA 3.0] as license.
The big picture is from https://en.wikipedia.org/wiki/Image.
The small markdown mark has been dedicated to the public domain.