police tape ringed drusus nero , ( 431 nido alley , near geysers st. ) the echt-roman empire small-plates restaurant that had even inspired silicon valley elites to run the district 's gauntlet of double-parked bentleys , medical marijuana carts ( mediexx help cart , geyser st. and leland ave. , no phone ) and prostitutes , just to taste the menu , anchored in a roman imperial familys second-century a.d. diet .