Riga Radio and TV Tower
The Riga Radio and TV Tower in Riga , Latvia is the tallest tower in the European Union . 
<triplet> Riga Radio and TV Tower <subj> Latvia <obj> country <triplet> Riga <subj> Latvia <obj> country <triplet> Latvia <subj> Riga <obj> contains administrative territorial entity <subj> European Union <obj> member of <triplet> European Union <subj> Latvia <obj> contains administrative territorial entity