not abstract in other languages

• English
  

• Bulgarian
  

• Catalan
  

• Chinese
  

• Mandarin
  

• Czech
  

• Danish
  

• Dutch
  

• Esperanto
  

• Finnish
  

• German
  

• Greek
  

• Hungarian
  

• Italian
  

• Japanese
  

• Latin
  

• Latvian
  

• Mongolian
  

• Polish
  

• Portuguese
  

• Romanian
  

• Russian
  

• Scottish gaelic
  

• Swedish