composite aerial view of NYC's High Bridge, showing the shadow of a 16-arch stone bridge in 1921, and an updated version with a large steel arch and only 9 aches remaining, allowing for large boats to pass underneath.

NYC's oldest bridge, the High Bridge, casting two very different shadows 100 years apart. 1921 vs 2021.
#nyc #newyorkcity #aqueduct #crotonaqueduct #highbridge #history #urbanhistory #bronx #urbandesign #manhattan