Five People are kneeling between two park cars, and one man is approaching with his arm raised into the air.
Five men are kneeling, while another man puts his hands into the air.
Men are people. Putting his hands into the air means an arm is raised.
One man approaching with his arm raised into the air implies the man puts his hands into the air.
Five men, who are people, are kneeling while another man has his hands, which are part of his arms, in the air.