An iconic Los Angeles brewery held its last event Sunday as it closes down, the latest in a string of closures affecting the city’s night life. Angel City Brewery in the downtown art district shuttered its operations with a send off, after 13 years in the district and around three decades in the city. The business officially closes April 30. Known for its stand-out neon sign, the firm had past locations in Culver City and Torrance. Its parent company Alchemy & Science owned the brewery since 2012 but announced last year it was winding down operations. General views of Angel City Brewery on September 30, 2020 in Los Angeles, California. GC Images Sam Adams maker Boston Beer Company, which owns Alchemy & Science, is shuttering the business to focus on its national brands, KTLA reported.…