The aging process was a joyful one for this Alta Sierra home. Quite simply, Ray and Tina Yedding have turned a typical 1980s home into a Tuscan treasure.Set on almost two acres, the 2,000 sq. ft., two-level, two-bedroom, two-bathroom home is open, warm and intimate. It's a home where fine wine, specially prepared meals and friendships are shared - and lasting memories are inspired. Access involves driving across a small bridge and passing through iron gates. "Each time the gates close behind me, I'm in a whole different world," said Tina Yedding reflectively, and I understood exactly what she meant. …