Readers discover fish ladders and salmon cannons in the U.S. Pacific Northwest, rope swings for monkeys in China, colorful crab bridges in Australia, and roadway overpasses in Canada's Banff National Park that allow bears and deer to safely cross roads.
Readers discover fish ladders and salmon cannons in the U.S. Pacific Northwest, rope swings for monkeys in China, colorful crab bridges in Australia, and roadway overpasses in Canada's Banff National Park that allow bears and deer to safely cross roads.