The first two longest glass-bottomed bridges in the world

A 632-metre-long (2,073 feet) glass-bottomed bridge in Vietnam has been certified （證實）the longest of its kind in the world. The bridge stands 150 metres, or about 500 feet, above a lush （鬱鬱蔥蔥的） valley between two mountains. It offers impressive panoramic （全景的）views of the beautiful mountain rainforest.  The bridge is known as Bach Long, which means White Dragon. It opened in April last ...Read More