Subscribe to our channel to be the first to see our viral, breaking news videos. Twitter.com/swns Instagram.com/swns<br /><br />Thousands of painted stones have been laid in a park bandstand in memory of a seven-year-old girl who died while campaigning against childhood cancer. <br /><br />Isla Tansey inspired people around the world to paint pebbles and hide them with the social media campaign #islastones.<br /><br />She launched the campaign while undergoing treatment for spine cancer and within weeks it went viral.
