Like walls and fences, it is symbolizing the inaccessibility of something. The repetition of this image points to the inability to move forward on the path undertaken. The area you cannot reach because of the barrier is the higher reality you want to achieve. Something is interfering with your path, preventing you from getting what you really want in life.
Gallery of dreams
If you want to be more creative today, that you were yesterday, it would be ideal for you to have enough rest and sleep. Your brain will be working overnight to consolidate your memories, making them stronger and making you organized and well-structured. Researches showed that people will have stronger emotional components, which could surely help with their creativity.
Reading in dream
Sometimes you will not be able to differentiate lucid dream. If you want to be sure, try reading a simple sentence, if you are able to read then you are in wakeful stage if not you are in lucid dreaming. Studies show that you cannot read while dreaming or you will not find the repeated sentences one more time.