Spean Praptos - Credit: Wikimedia Commons
Spean Praptos (, also known as Kampong Kdei Bridge ) on the road from Angkor to Phnom Penh,Rooney, 2005, pp.391-392 Cambodia, used to be the longest corbeled stone-arch bridge in the world, with more than twenty narrow arches spanning 285 ft (87m). The bridge was built in the 12th century during the reign of King Jayavarman VII. It is one of the few Khmer empire era bridges to have survived to the modern day. Read more on Wikipedia
Source: en.wikipedia.org