Hannah Watson, an artist and hairdresser, was rushing to meet her friend.  “I’m walking down the street and then his art stops me… his art stops me! And then I go, ‘Wow, this is amazing!’… Then, I think, ‘Oh my God, I want to look longer!’ Oh wow, look at these — look at these lines — and then I want to ask him 25 fast questions. Like, is it hand? Is it AutoCAD? Is it drawing? It’s got movement — there’s movement in these pieces. They, they have words — they have feelings, and this face of the artist, what’s your name?”  “It’s Marlon.” Marlon Beaver wakes up at 6 a.m. almost every morning to head to Embarcadero Plaza. Once he arrives across from the Ferry Building, he meticulously arranges his display of shirts that each bear depictions of city landscapes — from Muni buses and Fisherman’s Wharf to the two bridges. His artistic journey always surrounded these landmarks, evolving through personal struggle. “I saw the architecture that’s all around me,” Beaver said. “This downtown — M...