Dark world

There is not really much of a description, the world is simply this making the game unplayable, creative or survival and I've tried to change all options but nothing fixed it. I have searches for the problem but never found any results, second picture shows sheep meaning animals are visable unlike the actual terrain it self. sorry if it was duplicated but iam just surprised how a game could be released like this which makes me wander if its me messing with my phone or my device wasn't tested. See pictures for actual description and thank you for reading