The Empire State Building became the tallest building in New York City again after the collapse of the World Trade Center in 2001. In April 2012 the new One World Trade Center surpassed the Empire State Building in height.
"Ahu" are stone platforms on which many moai sit. There are 313 known ahu and 125 of these carry moai. The biggest, Ahu Tongariki is 220 m (720 ft), and had the most (15) and tallest moai.
I've felt that if you dwell too much on your errors, you're dealing in the negativity of things. I don't like that. I'd rather work on the positive reinforcement, the things I did well.