The world of photo : March 31,2019

LUCERNE (SWITZERLAND), April 1, (Xinhua) -- People visit the 45th Waffen-Sammlerborse in Lucerne, Switzerland, on March 31, 2019. The 45th International Weapons Collector Exchange, or Waffen-Sammlerborse, was held here from March 29 to March 31. The Waffen-Sammlerborse is a trade fair in Switzerland for shooters, hunters and people interested in weapons and militaria.