I make this collage for LMAC challenge.
https://steemit.com/letsmakeacollage/@shaka/lmac-16-new-challenge-16-sbd-prize-pool
Sources:
https://pixabay.com/illustrations/nature-tree-landscape-field-4155865/
https://pixabay.com/photos/star-universe-ship-sea-ocean-2791115/