MANAGUA, Nicaragua (AFP )– American daredevil Nik Wallenda walked a tightrope across the crater of an active volcano in Nicaragua Wednesday, taking half an hour to traverse the boiling lake of lava spewing toxic gases. Masaya, 635 meters (2,083 feet) high and 20 kilometers (12 miles) from Managua, is one of only eight volcanoes in the world with an active lava lake. Wallenda started his 550 meters (1,800 feet) walk across the crater known as […]