hollow in some surface in other languages

• English
  

• Adyghe
  

• Albanian
  

• Arabic
  

• Armenian
  

• Aromanian
  

• Asturian
  

• Azeri
  

• Bashkir
  

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• Bengali
  

• Bulgarian
  

• Burmese
  

• Catalan
  

• Chinese
  

• Mandarin
  

• Czech
  

• Danish
  

• Dutch
  

• Erzya
  

• Estonian
  

• Faroese
  

• Finnish
  

• French
  

• Galician
  

• Georgian
  

• German
  

• Greek
  

• Ancient Greek
  

• 
  

• Hindi
  

• Icelandic
  

• Ido
  

• Ilocano
  

• Indonesian
  

• Irish
  

• Italian
  

• Japanese
  

• Kazakh
  

• Khmer
  

• Korean
  

• Kurdish
  

• Sorani
  

• Kyrgyz
  

• Lao
  

• Latvian
  

• Lingala
  

• Lithuanian
  

• Lombard
  

• Macedonian
  

• Malay
  

• Manx
  

• Maori
  

• Mongolian
  

• Norwegian
  

• Persian
  

• Polish
  

• Portuguese
  

• Romanian
  

• Russian
  

• Saterland Frisian
  

• Serbo-Croatian
  

• Cyrillic
  

• Roman
  

• Sicilian
  

• Skolt Sami
  

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• Slovene
  

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• Thai
  

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• Turkmen
  

• Ukrainian
  

• Urdu
  

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• Venetian
  

• Vietnamese
  

• Vilamovian
  

• Volapük
  

• Yiddish