Man receive phone call while travel at metro train, POV camera side view

Man receive phone call while travel at metro train, POV camera side view. Hong Kong rapid transit, Island line, modern underground transportation system. Boy on foreground stand bend over smart phone, listening music, other man stand against carriage doors, pick up phone and being talk. Footage includes original sounds and environment noises. Many passengers travelling inside car, bright artificial light. Caucasian person standing at left side, lean to handrails.