Chinese artists perform a traditional dance during a China trade fair ahead of the visit of their premier Wen Jiabao, in Katmandu, Nepal. Nepalese authorities say they won't allow Tibetan exiles to demonstrate during next week's visit by the Chinese premier, the first such trip in a decade. Binod Joshi/AP
Israelis participate in a 10k night run, near the old city of Jerusalem. Sebastian Scheiner/AP
Aztec dancer Ehecatonatihu greets a friend while carrying a statue of Mexico's patron saint, the Virgin of Guadalupe, to an Aztec altar outside the Basilica of Guadalupe during the religious icon's feast day in Mexico City. Anita Baca/AP
Children play at the site of the 1911 Coronation Durbar in New Delhi, India. Tsering Topgyal/AP
Chelsea's Daniel Sturridge heads a wet ball as he plays against Manchester City during their English Premier League soccer match at Chelsea's Stamford Bridge stadium in London. Alastair Grant/AP
A youngster dives in the new Pump House Indoor Water Park at the Jay Peak ski resort in Jay, Vt. Andree Kehn/AP
Aya Mahgoub of Egypt competes on the beam event during the women’s gymnastics individual all-around final at the Arab Games in Doha. Fadi Al-Assaad/Reuters
An Indian man dries cotton strings on the outskirts of Ahmadabad, India. Ajit Solanki/AP
A farmer picks coffee cherries at a farm in Vietnam's central highland of Di Linh district. Kham/Reuters
A man shows his inked finger after voting in Damascus, Syria. Muzaffar Salman/AP
A member of the US Army Honor Guard stands at attention as the motorcade of President Barack Obama, and Iraq's Prime Minister Nouri al-Maliki passes en route to a wreath laying ceremony at Arlington National Cemetery's Tomb of the Unknowns. Carolyn Kaster/AP
The bull and bear bronze statue stands outside the stock market in Frankfurt, Germany. Michael Probst/AP
A Pilgrim performs a traditional dance during the celebration of Virgin of Guadalupe Day at Basilica's square in Mexico City. Edgard Garrido/Reuters
Estimates of the number of disappeared people in Mexico during a decade of drug and gang violence rival numbers from Argentina's Dirty War and Colombia's armed conflict. New laws protecting victim's rights require the government to establish a national registry of those who have disappeared.
ByEmily Pickrell, Contributor
One of the startling unknowns in the story of Mexico’s recent wave of violence is just how many people can be counted among its disappeared.