https://medium.com/@_PierreMary/approache-to-mongodb-internationalisation-i18n-with-meteor-584933ae71dc
https://www.elastic.co/guide/en/elasticsearch/guide/current/one-lang-docs.html
http://www.geonames.org/countries/
https://www.npmjs.com/package/mongoose-i18n-localize
http://learnmongodbthehardway.com/schema/schemadesign/
http://learnmongodbthehardway.com/schema/multilanguage/