Such concentration... Marco can always be cheered with a simple bottle of bubbles. He will blow bubbles until I make him take a break. Usually, it's becase he's got half the bottle down the front of his shirt, or in this case, down the front of his jacket.
Join me in this photo challenge to capture one simple thing each week. Click the button in my sidebar to join "the simple things" hosted by Rebecca on her blog, Simple As That .