http://data.gdeltproject.org/gdeltv3/web/ngrams/20241006160000.1gram.txt.gz
http://data.gdeltproject.org/gdeltv3/web/ngrams/20241006160000.2gram.txt.gz
http://data.gdeltproject.org/gdeltv3/web/ngrams/20241006160000.chargram.txt.gz