The Toblerone Line, A Fortification in Switzerland...
(Photos: Kecko, Pascal Binczak)Nazi Germany coveted the prosperous nation of Switzerland and made plans to invade it. But Operation Tannenbaum remained forever a hypothetical exercise and the Swiss were largely spared fr...
https://www.neatorama.com/2015/04/21/The-Toblerone-Line-A-Fortification-in-Switzerland/
