Ed Meza @edmezavarFor Berlin-based Brazilian filmmaker Karim Aïnouz, traveling to Algeria in 2019 to visit his father’s homeland became an emotional journey that not only resulted in his latest work, the Cannes title “Mariner of the Mountains,” but also the documentary “Nardjes A.,” which premiered last year in Berlin.“Mariner of the Mountains,” which unspools in Special Screenings Friday, is Aïnouz’s most personal film since one of his earliest works, the 1993 short “Seams,” about his