The Colon Ring - Wagner in Buenos Aires: DW-TV has done an amazing documentary on a condensed version of Richard Wagner's Ring of the Nibelung in conjunction with the Teatro Colon of Buenos Aires. Top Chef Competition: The Culinary World Cup is essentially a kind of biathlon that brings together about a hundred top chefs from Germany and Austria to cook and flex some muscle. The beautiful resort of Ischgl in Austria played host and we followed one of Austria's champion chefs through a gruelling event. Feria de Abril: We're in Seville, Spain, to celebrate the event which includes - if you're invited - partying in a "caseta". Mentalist Christoph Kuch: We meet the German mentalist who has been wowing audiences with his ability to predict cards, foresee numbers and other things. Sculptures From Glass Shards: Polish artist Marta Klonowska makes sculptures from glass shards, usually depicting animals she saw in classical paintings.