Zeytin finds shelter in an abandoned building along the Bosphorousin Istanbul, Turkey in “Stray” (Magnolia Pictures) Turkey has a “no kill, no capture” law towards all its stray animals, including the 100,000 dogs that roam the streets of Istanbul. From 2017 to 2019, documentarian Elizabeth Lo focused her lens on three — Zeytin, Nazar and Kartal — and, with a quiet compassion, assesses what their lives say about the human condition and how we treat each other in her new film “Stray.”