Is it easy to distinguish good olive oil from bad?

Quite often, it’s easy to tell the origin and quality of a product just by looking at it. Not so with olive oil.  Using strong, symbolic images—for example, juxtaposing a concert violinist with a pop star, or an innocent child with an inmate—this campaign reminds us that although it’s not always easy to tell good from bad, adhering to strict quality control has helped Altis to remain Greece’s favorite olive oil.