Indigenous people who live in the Isiboro Secure Territory, known by its Spanish acronym TIPNIS, walk with their national flag as they arrive after a long march to La Paz January 30, 2012. The indigenous people are demanding for President Evo Morales to revive the construction of the Villa Tunari-San Ignacio de Moxos highway for social and economic reasons. REUTERS/Gaston Brito (BOLIVIA - Tags: CIVIL UNREST POLITICS ENVIRONMENT)