Additionally, we signed an agreement with Centerra Gold (TSX: CG ), which is now earning into the La Luz project by spending $7 million before December 2019; active exploration [there] includes a drilling program commenced in Q4 2015. Huang : Miners had to learn to be prudent business operators with the industry heading into year five of this "new normal" where AISC, lower margins, resource nationalism, environmental concerns, governmental challenges and activist investors have all become larger influences on day-to-day operations. As a global drilling group with clients in 25 countries, we have unique insight on activities from a variety of mining groups.