Piping pseudokarst. The 2010 Guatemala City sinkhole formed suddenly in May of that year; torrential rains from Tropical Storm Agatha and a bad drainage system were blamed for its creation. It swallowed a three-story building and a house; it measured approximately 20 m (66 ft) wide and 30 m (98 ft) deep.
âFour legs good, two legs bad.â This phrase, which occurs in Chapter III, constitutes Snowballâs condensation of the Seven Commandments of Animalism, which themselves serve as abridgments of Old Majorâs stirring speech on the need for animal unity in the face of human oppression.
Charley horse. Dead leg redirects here; in engineering, a dead leg is a redundant length of pipe through which flow is impossible because one end is sealed. Charley horse is a popular colloquial term in Canada and the United States for painful involuntary spasms or cramps in the leg muscles, typically lasting anywhere from a few seconds to about a day.