Behold the fatberg: London's 130-ton, 'rock-solid' sewer blockage

The 130-ton fatberg formed underneath London's Whitechapel area and is said to be among the largest on record. Thames Water says the "rock-solid" mass is composed of cooking fat and wet wipes.
The 130-ton fatberg formed underneath London's Whitechapel area and is said to be among the largest on record. Thames Water says the "rock-solid" mass is composed of cooking fat and wet wipes.