claim: Prague Castle attracts over 1.8 million visitors annually.
evidence: Rose Ellen Dix -LRB- born 15 June 1988 -RRB- and Roseanne Elizabeth `` Rosie '' Spaughton -LRB- born 30 May 1990 -RRB- , known as Rose and Rosie are an English comedy and entertainment duo known for their popular YouTube videos .. YouTube. YouTube. -LCB-