Yan style is easy to learn, but difficult to master. A little carelessness will make it tacky. Of course, it's not the body itself. There is a clear spirit in the majestic body. Even Lu You once said, "Learn to be a face when reading."
Recently, European sports are very popular, like many famous artists. For beginners, the difficulty is between Ada and Ada. I studied for a while, but it was entirely to adjust my study of Liu Ti. I have no experience and dare not say.
In fact, the temperament of calligraphers in the Tang Dynasty is very high, not to mention the techniques. It's enough for us to learn casually. Which one to learn depends mainly on your own hobbies.