It was a Friday of August 2018. The people of Stockholm saw a little girl sitting outside the Riksdagen, the Swedish Parliament, holding a hand-painted banner with "skolstrejk för klimatet" or "school strike for climate" written over it.
Have you ever tried trekking through treacherous terrian and tried to take short cuts to reduce the time and effort it takes to reach your destination? It turns out army ants are really good at mapping out the most efficient route for themselves.
