Going uphill is the most tiring Published April 22, 2012 at 1200 × 867 in Going uphill is the most tiring twin brothers, baby boys, max and sam, fell asleep in their City Mini GT Double Stroller, under Circo Valboa blankets Share:Click to share on Facebook (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Twitter (Opens in new window)