The streets of Times Square glow with towering holograms as robots weave between pedestrians and tents line the sidewalks. 

In San Francisco, survivors navigate flooded neighborhoods by boat while people peer out from the windows of crumbling apartment blocks. 

Chicago's gleaming skyscrapers tower over communities living amid abandoned buildings and relentless heat warnings. 

Along the Gulf Coast, New Orleans has transformed into a city of canals where residents commute by water through neighborhoods partially claimed by the sea.