Google Maps Strange Polygons On Landscape When Water Visibility Off

I'm trying to make google map water background transparent so that it shows the webpage background. However when I turn water visibility off, parts of landscape Africa, Europe and

Solution 1:

This looks like a bug in Google Maps Javascript API v3 StyledMaps.

Issue in the issue tracker: Issue 6217: Bug: Basic Layerstyle option create artefact for Africa and Groenland

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