(Al Jazeera) – What Konstantine Zarubin and his childhood friend Edek didn’t realise that summer evening two years ago, was that the quarry in their hometown they were about to climb through had just been littered with landmines. It was a July evening in 2014, just months into an ongoing conflict between Moscow-backed rebels in country’s east and the fledgling post-Maidan government in Kyiv. The boys could hear fighting from their Soviet-era apartment building and were curious to get a closer look.