In this week's collage, I designed or tried to transform the original image into an underground subway where the top still have a normal activities going on. I used simple mobile editing tool to add images, erase, blend, and add filters to get the desired result. Below is the product of that imagination.
My Design
Original Image
This link leads to the original contest post by 
The above image was the starting point of my imagination that led to designing an underground subway.
Images And Sources
All images are copyright free.