Part 9/22:
In Thailand, there is an area tucked away in abandoned mines that is best explored with a guide, as the tunnels intertwine, forming complex networks stretching for tens of kilometers, with one route even reaching a depth of 180 meters. Inside, visitors can find bats, underground streams, abandoned infrastructure, and remnants of old machinery.
Japan's Ishima Ohashi Bridge: An Optical Illusion
The Ishima Ohashi Bridge in Japan has a slope of 6.1% on one side and 5.1% on the other, creating an optical illusion that makes it appear as if the bridge is in the 31st century. Built to replace a drawbridge, this 45-meter-high bridge allows boats to pass unhindered and drivers to avoid wait times, with traffic reaching 15,000 cars every day.