Text this: Curved traversable wormholes in (3+1)-dimensional spacetime

  ______     ___     _    _     _____   __    __  
 /_   _//   / _ \\  | |  | ||  |  ___|| \ \\ / // 
   | ||    / //\ \\ | |/\| ||  | ||__    \ \/ //  
  _| ||   |  ___  |||  /\  ||  | ||__     \  //   
 /__//    |_||  |_|||_// \_||  |_____||    \//    
 `--`     `-`   `-` `-`   `-`  `-----`      `