The trains pass by the Great Wall of China, an Egyptian pyramid,Paris' Eiffel Tower, the Taj Mahal in India -- thirteen structures in all.

VOA: special.2010.12.20

"Wonders of Man" includes photos of the Great Wall of China and Machu Picchu in Peru.

VOA: special.2009.11.20

At the U.N.climate change summit in Copenhagen last year, Senegal's president,Abdoulaye Wade, stressed the importance of planting the "Great Green Wall."

VOA: standard.2010.04.01