People farmed sustainably since the last Ice Age with fire and fish traps, and more recently, agriculture has evolved to produce more for a growing worldwide population.
"From mining tunnels to the Channel Tunnel, this book explores how they are built, how they are used, and the engineer's job to build and plan for them."--Provided by publisher.
The Channel Tunnel is a terrific tunnel. It runs underwater! In Building the Channel Tunnel, young readers will find out more about this engineering marvel and how it was built.
Route 66 is a remarkable road. It was one of the first US highways! In Building Route 66, young readers will find out more about this engineering marvel and how it was built.