Fotografi 1: Exhaust pipe, Air pollution, Fine particul pollution, Gas fumes
Fotografi 2: Exhaust pipe, Air pollution, Fine particul pollution, Gas fumes
Fotografi 3: Exhaust pipe, Air pollution, Fine particul pollution, Gas fumes
Fotografi 4: Exhaust pipe, Air pollution, Fine particul pollution, Gas fumes
Fotografi 5: Exhaust pipe, Air pollution, Fine particul pollution, Gas fumes
Fotografi 6: Exhaust pipe, Air pollution, Fine particul pollution, Gas fumes