PRINCESS Norodom Arunrasmey, the sister of King Norodom Sihamoni, will dance with ballet master Vlastimil Harapes at the Czech Opera Ball in Prague on February 5, the Prague Daily Monitor reported yesterday. Cambodian and Czech dancers will open the programme and proceeds from a raffle at the event will benefit charity projects in both countries. King Sihamoni, who was educated in Prague from 1962-75 and speaks fluent Czech, studied ballet at the Prague Conservatory, earning “first prize” in classical dance in 1971.