Wales is short of vowel letters. All words here are fifteen letters long with only a couple of vowels and no obvious clues about syllables. Or to say that another way:

Mae Cymru yn brin o lythrennau llafariaid. Mae pob gair yma yn bymtheg llythyren o hyd gyda dim ond cwpl o lafariaid a dim cliwiau amlwg am sillafau.
Dragons symbolize Wales like lions symbolize England and harps symbolize Ireland and St Andrew’s cross is Scotland.
Harlech Castle ruins
The population of Wales is 3.2 million people and 8.7 million sheep. Really look it up
Unfortunately it rained all day. Nevertheless the views were beautiful.
Mimsey was glad for her umbrella
Cozy pub