From Ivanov, at the West End Theater. Photo: Bronwen Sharp I’m not sure how many times I’ve told someone to find a way to watch the Russian director Yury Butusov’s production of The Seagull (filmed for Stage Russia in 2017). The thing is an almost-four-hour-long continuous explosion — actors dancing, grappling, and hurling furniture; the director present onstage ripping pieces out of the set; paint and blood and flowers and feathers everywhere. It may look nothing like the photographs from the