20 Before-And-After City Photos That Reveal Just How Much The World Has Changed

Cities rarely stay the same, but the scale of their transformation becomes clear only when past and present are placed side by side. Streets evolve, skylines shift and entire neighborhoods take on new identities as decades pass.

From subtle improvements to dramatic makeovers, each comparison tells a story of progress, adaptation and the passage of time. Here are some powerful city transformations that reveal just how much the world has changed.

#1 Singapore 1969 vs. 2015

Image source: Urban Redevelopment Authority website

#2 Athens 1862 vs. 2015

Image source: The Royal Collection Trust, Cyber Science and Technology

#3 Ho Chi Minh 1930s vs. 2016

Image source: gallica.bnf.fr, trungydang

#4 Kyiv 1920 vs. 2021

Image source: Dziesięciolecie Polski Odrodzonej, KMR

#5 London 1920 vs. 2014

Image source: gelio

#6 Kuala Lumpur 1884 vs. 2019

Image source: G.R. Lambert & Co, James Kerwin

#7 Chicago 1937 vs. 2015

Image source: Chicago Tribune historical photo, Stephen C. Hansen

#8 Berlin 1983 vs. 2021

Image source: Thomas Farr, Kasa Fue

#9 Istanbul 1912 vs. 2013

Image source: Underwood & Underwood, Mark Ahsmann

#10 Shanghai 1934 vs. 2015

Image source: eBay.com, Visit China

#11 Tokyo 1945 vs. 2014

Image source: japanairraids.org

#12 Sydney 1935 vs. 2020

Image source: Sam Hood, VirtualWolf

#13 Las Vegas 1920 vs. 2010

Image source: U.S. National Archives and Records Administration, Lasvegaslover

#14 Buenos Aires 1986 vs. 2018

Image source: Nathan Hughes Hamilton

#15 San Francisco 1906 vs. 2021

Image source: Geo. R. Lawrence Co.

#16 New York 1920 vs. 2021

Image source: Mark DeJoy, King of Hearts

#17 Seoul 1905 vs. 2016

Image source: Han Young-Woo, Joon-Kyu Park

#18 Rio De Janeiro 1889 vs. 2011

Image source: Marc Ferrez, Rafael Rabello de Barros

#19 Los Angeles 1910 vs. 2019

Image source: Wikimedia Commons, Alek Leckszas

#20 Cairo 1904 vs 2015

Image source: Eduard Spelterini, Nina R