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.

TORONTO, April 01, (Xinhua) -- A boy poses for photos with a pet snake during the 2019 Toronto Reptile Expo at the International Center in Toronto, Canada, on March 31, 2019. Featuring different kinds of bred reptiles, amphibians, arachnids, the one-day event drew thousands of visitors to learn about responsible reptile ownership on Sunday.