PHOTO CREDITS

02-VFT-01: New York City skyline, largest city in New York State. Rafael Macia/Photo Researchers, Inc.

02-VFT-01-01: Bedrock, central Labrador, interior Canada. John Eastcott/Yva Momatiuk/The Image Works

03-VFT-01: Guatemala, women of Solola. George Holton/Photo Researchers, Inc.

03-VFT-02: Santiago, Chile (July 1995) Overview of Santiago. Peter Stone/Black Star

04-CTQ-02: Euro notes and coins sample. VCG/Getty Images, Inc.—Taxi

04-CTQ-03: Muslims/Paris. Ermakoff/The Image Works

04-CTQ-04: Young girl at school wearing a facemask. Simon Fraser/Science Photo Library/Photo Researchers, Inc.

04-CTQ-06: Country landscape in summer, Lough Corrib. Paul Harris/Getty Images Inc.—Stone Allstock

04-CTQ-07: Spain, Balearic Islands, Majorca, Cala Llombarts. Rudolf Pigneter/Getty Images Inc.—Stone Allstock

04-VFT-01: France, Marne Region, vineyards around Avize. Maurice Huser/Getty Images Inc.—Stone Allstock

04-VFT-02: View from atop Rufikopf Summit. Robert Fried/Stock Boston

05-VFT-01: St. Basil's Cathedral, Moscow, Russia. Steve Vidler/SuperStock, Inc.

05-VFT-02: Armenians in Karabakh, Azerbaijan. Johannes/SIPA Press

06-CTQ-06: Majuro Island and Reef Marshall Island. Wayne Lukas/Photo Researchers, Inc.

06-CTQ-07: Waterfront and Opera House in Sydney, Australia. Fritz Prenzel

06-VFT-01: Waterfront and Opera House in Sydney, Australia. Fritz Prenzel

06-VFT-02: Cattle station in Outback, Australia. Photonica/Photolibrary.com

07-CQT-07: Japan, Honshu, Shinkansen bullet train. Getty Images Inc.—Stone Allstock

07-CTQ-03: China, Yangtse River, Wuxia Gorge. © IFA/Peter Arnold Inc.

07-VFT-01: China, Yangtse River, Wuxia Gorge. © IFA/Peter Arnold Inc.

07-VFT-02: The Golden Pavillion (Kinkaku) in Kyoto. Jack F. Williams

07-VFT-03: China, Macua Family Gardens. Carroll Seghers II/Photo Researchers, Inc.

07-VFT-04: Korea, Seoul, city lit up at dusk. Getty Images Inc.—Stone Allstock

07-VFT-05: Skyline of Bangkok, Thailand. © Matthias Seitz/zefa/CORBIS. All Rights Reserved

07-VFT-06: Marine Drive at sunset, Mumbai. Ross McArthur/Alamy Images

08-CTQ-01: Saudi Arabia, Mosque complex at Makkah. Nabeel Turner/Getty Images Inc.—Stone Allstock

08-CTQ-05: Al-Jawf Oasis, Kufra, Libya. Douglas L. Johnson, Clark University

08-CTQ-06: Camel and car, Mid-East. Scott Peterson/Getty Images, Inc—Liaison

08-VFT-01: Khan el-Khalili Market, Cairo, Egypt. Richard Nowitz/National Geographic Image Collection

08-VFT-02: Malay girl tapping latex from rubber tree. Nigel Cattlin/Photo Researchers, Inc.

09-VFT-01: Rift Valley Volcanoes. Krafft-Explorer/Photo Researchers, Inc.

09-VFT-02: Daily life on the Niger river. Giacomo Pirozzi/Panos Pictures