A family of Microsoft word processing software products for creating web, email, and print documents.
The main issue with the document was that images have been inserted with the text wrapping set to other than "in-line with text". If images are inserted "in-line with text", I believe that they are less susceptible to corruption of xml tags.
In the case of your document, there were missing
</mc:Fallback>
</mc:AlternateContent>
</w:r>
tags in the vicinity of Page 16, with which I note that there are still layout issues as shown below
Then, there was a missing </mc:AlternateContent> tagin the vicinity of page 34, on which the following images, with which there is also still a layout issue are located: