National Geographic : 2010 Mar
34 56 80 96 124 Wolf Wars Peru’s Puzzling lines Killer Plants Changing Tribes Shanghai Reborn march 2010 • vol. 217 • no. 3 Packs are back. Westerners are glad, scared, howling mad. By Douglas H. Chadwick Why did the Nasca etch giant birds and whales in the sand? By Stephen S. Hall Photographs by Robert Clark They lure bugs into death traps, then gorge on their flesh. By Carl Zimmer Photographs by Helene Schmitz Books and guns edge out old ways in Ethiopia's Omo Valley. By Neil Shea Photographs by Randy Olson The megacity tries to juggle a storied past and future glory. By Brook Larmer Photographs by Fritz Hoffmann OFFICIAL JOURNAL OF THE NATIONAL GEOGRAPHIC SOCIETY RANDY OLSON Women from Ethiopia's Nyangatom tribe painted themselves with clay---no mirrors needed---then danced to mark a treaty with rivals. Story on page 96.