winnipeg events next 3 days

http://deandkdu520.over-blog.com/2019/05/chide-that-lousy-fairway-sand-trap-bunker-on-scottish-lamb.html

Sand Traps on golf links-- better called "Bunkers" cause terrific problem for most golf enthusiasts. How is that these devils came about to be the scourge of the majority of average golf enthusiasts?