Human Spit Could Cause Indian Bridge to Collapse
Howrah Bridge, located in Kolkata, India, is a cantilever bridge that spans over Hooghly River. Built during the British rule, in 1943, it is one of the most famous symbols of Kolkata. The nearly 70-year-old bridge however, is in danger of collapsing, not from age, but from human saliva. It is common to find many […]