Earlier quoted context omitted.
From a phys.org story on the matter, there's a 200MB jpeg. https://dx.doi.org/10.12176/03.99.02797 Seems to still be in the process of being proofed.
Direct link to the JPEG: https://china.scidb.cn/download?fileId=62b3ceb08e66a93f11a07...
The map itself looks the same as far as I can tell.