sewers sewers

Jesse Hernandez, shown in a handout photo from the Los Angeles Fire Department, spent more than 12 hours in the city's sewer pipes. Hernandez family/LAFD hide caption

toggle caption
Hernandez family/LAFD

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. AP hide caption

toggle caption
AP