Most of the landfills are rising high like a mountain peak. On several occasions, the overflowing landfills of Ghazipur (Delhi) and Deonar (Mumbai) have caught fires due to accumulation of combustible methane gas that leak from the garbage dumps. As per a report by the Central Pollution Control Board, the landfills in most of the metro cities are overflowing with no space to accommodate fresh garbage. Here's a special report on India's dying landfills.