The first thing an immigrant must grasp is the need to respect and learn the culture of the country where they will be living.

I remember the story of my brother, who had to learn the laws, customs and history of the UK in order to apply for UK documents after 7 years of living and working in the UK.

Politics is a tricky thing and international laws on human rights are selectively applied, if those rights are of interest to any of the people in leading state positions...

As for the image, you can use Canva.
This here is from the Samsung Gallery, the Collage option, when you can choose the number of photos and the layout, as you wish.