One World Trade Center has reached its peak height Friday morning, and New Yorkers are aiming their smartphones toward the sky to share the news.
Some photos are from way up high:
At 541 metres (1,776ft) high, the tower is the tallest building in the western hemisphere.
Some are from the ground:

Some are from across the water:
The new tower was completed 4,259 days after an attack destroyed the former World Trade Center complex and killed nearly 3,000 people.

Many are from office windows:
The tower is at the northwest corner of the site. The 72-story 4 World Trade Center and other buildings are under construction nearby.