https://en.wikipedia.org/wiki/Lying_in_state
Lying in state is the tradition in which the body of a deceased official, such as a head of state, is placed in a state building, either outside or inside a coffin, to allow the public to pay their respects.It traditionally takes place in a major government building of a country, state, or city. While the practice differs among countries, in the United States, a viewing in a location other ...