Interesting post - can you point us to the research? I found this (Google
translated) - http://bit.ly/2hduUWg but it doesn't say how many domains
were involved in the study, or their methodology.
I can see that having the word "gallery" or "art" in the domain name might
help with ranking
The relationship between better ranking and the new top-level domains was
proved by a study of Searchmetrics for Berlin-domains. Websites with
Berlin-Domains frequently place better than websites with .de domains and
.com domains in regional searches with Google. The result of the study by