I think etymology but I’m not sure
From the pictures we can infer that they appeal to the interests in the beauty of Niagara Falls.
A shift in thought can be indicated by what is called an em dash. An em dash is used to set of an interruption that is closely relevant to
the sentence but is not grammatically part of it. These set of
interruptions can be found in a list, illustration, restatement, shift
in thought or tone, summary, or dramatic point.
Hope this helps, if you need anymore help or further explanation just let me know!! :)
Are there any answers to this question?
