Mrs. Bender's Activity (2)
bender added a news bookmark.
Earlier this month, the officials of China's Hunan Province revealed what they believe will be a new "Wonder of the World" - the planet's longest and highest glass-bottom bridge...About 9 years agobender added a news bookmark.
Though bridge designs have come a long way since humans began using fallen tree trunks or stones to get across stretches of water, they have until now been boring inert structur...About 9 years ago