For a wine writer, a day of Prowein, the big annual wine fair in Düsseldorf, can be a problem. What to see, whom to visit, where to go? So many choices, so many producers and events, so many halls to wander. But, with sound research beforehand, a handy app and some invitations from wine lover-friends and Twitter contacts, a day fills up quickly … My tour of the Prowein halls … [Lees meer...] overWandering the halls: Prowein 2013 #1