Good use of night make everthing change - http://www.avbuzz.com/bbs/model/model-thread-80887.html

Tutorial: How to shoot a martini splash photo using only speedlights - https://www.dpreview.com/videos/8723415296/tutorial-how-to-shoot-a-martini-splash-photo-using-only-speedlights?ref_=pe_1674010_132618830

An ok book that introduce how to setup lighting for indoor portrait - http://www.books.com.tw/exep/prod/booksfile.php?item=0010353837

https://www.wildcreatureshongkong.org/single-post/2019/09/22/TO-FLASH-or-not-to-flash