In 1877, Guangdong merchant Tong King-sing opened the first coal mine using modern techniques in nearby Kaiping, and Tangshan's transformation began. The city became a catalog of Chinese industrial firsts: the first standard-gauge railway, the first railway plant, the first steam locomotive, and the first cement factory. The second railway in China -- a six-mile track between Hsukochuang and Tangshan that opened in 1881 -- eventually grew into the Imperial Railroad of North China and the modern Jingshan and Jingha Railways. Ping opera, one of China's five most popular operatic traditions, originated in Tangshan's Luanzhou county, but it was coal, steel, and cement that defined the city's identity. By the 20th century, Tangshan was producing more steel than any other city in China, earning it the additional nickname 'porcelain capital of North China' for its ceramics industry.

At 3:42 a.m. on July 28, 1976, Tangshan was largely destroyed. An earthquake measuring 7.8 on the Richter scale flattened the city in seconds, killing at least 242,000 people according to official estimates, though many experts believe the actual toll was two to three times higher. The earthquake was so powerful it was felt in Beijing, approximately 150 kilometers to the west. Most of the city had to be rebuilt from scratch -- its entire industrial base, its housing stock, its infrastructure. The Tangshan that exists today is almost entirely a post-1976 creation, a city literally raised from rubble. The Anti-Seismic Monument in Anti-Seismic Square stands as the central memorial to the catastrophe and the reconstruction that followed.

Modern Tangshan sprawls across the northeastern corner of Hebei Province, its back to the Yan Mountains, its face toward the Bohai Sea. With a population of approximately 7.7 million, it is one of China's major industrial centers and among its ten largest ports. The Caofeidian Project has added massive iron and steel plants, chemical facilities, and electricity generation to the city's industrial base. Tangshan's port handled 570 million tons of freight in 2017. As of 2023, it holds the distinction of being the largest city in China without an operating or planned metro system -- a fact that reflects both its industrial rather than commercial character and the dispersed nature of its urban districts, which stretch across seven core areas. The Luan River marks its eastern boundary with Qinhuangdao, while Tianjin lies to the west.

Beneath the industrial overlay, Tangshan retains cultural traditions that predate its coal mines. The Tangshan shadow play tradition uses intricately cut leather figures to cast stories on illuminated screens, accompanied by Laoting drums -- a musical form from the county of the same name. Chessboard pancakes, honey sugar candy, and peanut crisp are local specialties that survive in a food culture increasingly dominated by national chains. The Eastern Qing Tombs, located in Zunhua to the northeast, contain the mausoleums of five Qing emperors and draw visitors seeking imperial grandeur. At Jingzhong Mountain, Confucianism, Buddhism, and Taoism share a single religious complex -- three philosophies coexisting on one hillside, much as the old and the new coexist in a city that has been destroyed and rebuilt more completely than almost any other on earth.