Talking into the void and hoping someone listens.
This is where you would introduce this specific section. The text here is left-aligned because reading large centered paragraphs quickly becomes exhausting for the eyes. The container stays centered, but the text is grounded.
You can add multiple paragraphs per image. The CSS adds a nice breathing room (margin) below each paragraph so it doesn't look like a giant wall of text.
Here is your second point or topic. You can easily duplicate these <div class="content-block"> sections to add as many images and paragraphs as you need down the page.