The race breakdown of the population in Watertown varies per year, but currently 20,055 are one race and 182 are two or more races. Of the 20,237 people who live in Watertown, there are 5,985 under 20 years old. The sex breakdown of the 20 years old and younger population in Watertown is 3,057 male and 2,928 female.
Shockingly, the longest bridge in the world is 102.4 miles! Curious individuals can find this architectural wonder in China, the Danyang-Kunshan Grand Bridge. This $8.5 million bridge carries trains between Nanjing and Shanghai.
Photograph by Mickbab. Located in Southern France, the Millau Viaduct is the tallest bridge in the world. Constructed in three short years, the bridge is an engineering and architectural marvel. At its highest point, the bridge soars 343 meters (1,125 ft) above ground, thatâs 19 meters (62 ft) taller than the Eiffer Tower!