Europe’s largest trade fair devoted to hunting open its doors in the western German city of Dortmund on Tuesday, drawing exhibitors from the United States, Canada, Argentina, South Africa and Botswana, among others. The event, which runs to Sunday had drawn 580 exhibitors from 36 countries, the organizers of Jagd & Hund (Hunting & Dog) said. Rifles, binoculars and telescopes, drones, thermal imaging cameras, outdoor clothing and other accessories for hunting were on display. Among the themes are using hunting dogs to fetch downed quarry and dealing with martens in the home and the car. Hunting…