Where was Eternal Love filmed?
2017 China TV drama series
Eternal Love (2017–) was filmed in Hengdian World Studios, 1 place named in its Chinese Wikipedia’s article, in China. Wikidata records no filming location for it at all, so the article is the only recorded source. Each place says where its claim comes from.
Places per Chinese Wikipedia's article
Chinese Wikipedia’s article names 1 place. Each links to the sentence that says so.