About Inflammatory Triggers | About Symptom Triggers. Triggers often bring on asthma attacks. A trigger is any thing or condition that causes inflammation in the airways, which then leads to asthma symptoms. Your personal triggers can be very different from those of another person with asthma.
At more than 7,580 feet long, Seattle's Governor Albert D. Rosellini Bridge is already the world's longest floating bridge. But after fifty years of service the four-lane concrete span has aged worse than Gerard Depardieu. Its pontoon supports can no longer endure the region's strong storms and the bridge itself is likely to collapse under a moderate earthquake.
Fourteen of the 20 longest bridges in the world are in China. The longest outside Asia and the sixth longest in the world is Louisianaâs Lake Pontchartrain Causeway which is 24 miles (38km) long. Still in the US, the San Francisco-Oakland Bay Bridge is the worldâs widest at 78.7m (258ft) across. It has 10 traffic lanes and a cycle lane.