Lost City: My Entry To Let's Make a Collage Round 144

This is my entry to the 144th Edition of Let's Make a Collage. Thanks to @shaka for hosting such a wonderful contest for us to showcase our creativity. Here is also the contest link so do well to check it out:
@lmac/lets-make-a-collage-a-contest-for-all-creatives-on-hive-round-144-138-hive-in-the-prize-pool

Here is my entry collage:

This is a collage of a once bubbling city which later became desolate and ghost town

To follow the instructions given by @lmac here are the images I used.

Tombstone

YELLOW SNAIL By @borjan

Costumes and masks By @mballesteros

Swan

This is the contest image:

Thanks for viewing my collage.