Daredevil couple Angela Nikolau and Ivan Beerkus got engaged atop New York City's Empire State Building, proving that for some couples, the experience behind the proposal matters just as much as the ring itself.Not every engagement begins with rose petals, candlelight, or a carefully planned surprise at sunset. Sometimes it begins more than 1,400 feet above one of the world's most iconic skylines.Photos: @angela_nikolauAccording to reports, professional urban climbers Angela Nikolau and Ivan Bee