Create a hyper-realistic image of young Bangladeshi males, aged 17 to 25

Create a hyper-realistic image of young Bangladeshi males, aged 17 to 25, outside the "SB GSM Training Centre" building. They’re registering for a mobile repairing course. The two-story building clearly displays the name "SB GSM" without errors. Capture the scene with an iPhone portrait mode style, focusing on high detail and realism.