Images not showing up on my blog

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If you aren’t running the latest version of Ghost, the first thing we will ask you to do is update to the latest version of Ghost.

  • URL: https://kulthe.co

  • Ghost Version: v4.7
    And

  • Ghost was installed on an AWS EC2 Instance (Ubuntu 20.04)

  • Node Version: v14.7.1

  • Browser: Chrome

  • Using msql and nginx

Hi there. Actually, I am unable to see images that I have uploaded onto my blog’s about page.
I googled a bit and found out that maybe it could be related to Nginx permissions. Although, I had allowed all the necessary permissions given on the setup page of Ghost. (How to install & setup Ghost on Ubuntu 16.04, 18.04 and 20.04)

Here’s the about page: About - Kulthe
Although, when I open the same image in a new tab, I can clearly see it.

Could someone please help me sort out this issue?