Ukraine war: How hidden landmines, tripwires and booby traps pose lethal danger for years to come | World News | Sky News

Ukraine war: How hidden landmines, tripwires and booby traps pose lethal danger for years to come | World News | Sky News: More than 40% of Ukraine is now mined, according to one estimate. Sky News speaks to an expert about why landmines are used and how difficult they are to clean up.