The Ritz-Carlton Abama, on the largest of Spain's Canary Islands, Tenerife, is honestly the most unusual of that brand that this gal has ever seen. After a 90-minute drive diagonally from north-east to south-west of Tenerife, I entered the top of what is a massive green bed quilt – 400 acres in all - flung over an undulating slope that goes down to…