It is a stone or brick-lined underground space or 'burial' chamber for the interment of a dead body or bodies. They were originally and are still often vaulted and usually have stone slab entrances. They are often privately owned and used for specific family or other groups, but usually stand beneath a public religious building, such as a church, or in a churchyard or cemetery. A crypt may be used as a burial vault.
That number includes 11 individual defending champions -- notably world record holders Duplantis (pole vault), Devynne Charlton and GrantHolloway (60m hurdles) -- and 20 medallists from the Paris2024 Olympic Games... That is what sport is about ... lp/pb.