STAMFORD — Norwegian artist Christian Sunde has made a career out of putting his work on display. Now he wants to hide it. Sunde, 50, from Flekkefjord, Norway, is a respected sculpture artist whose work can be seen in Stamford — if it can be found. Article continues below this ad An avid traveler, Sunde has hidden small “Secret Head” sculptures throughout his various destinations — whether it be an island in the middle of the Atlantic Ocean, high up in the Swiss Alps, or right here in Stamford.