Riobamba years later away from its original location (near a village named Cajabamba on the plains of San Antonio de Aguíscate). The city still retains much architecture from the Spanish period. In the Ecuadorian War of Independence Riobamba first declared independence on November 11, 1820 but was soon retaken. The city finally became part of an independent Gran Colombia in 1822, and then a separate Republic of Ecuador in 1830. On 20 November 2002, 7 people were killed and hundreds wounded when an explosion in the munitions depot at the Galapagos Brigade arsenal in Riobamba set off a series of blasts.
Geography of Colombia highest points named Pico Cristobal Colon (5775 m) and Pico Simon Bolivar (same elevation). Other mountains in the Caribbean plain include the Montes de María and the Serranía de San Lucas. In the Pacific Plains there are other mountain formations, chiefly the Serranía del Darién and the Serranía del Baudó. In the eastern Region, there is the Serranía de la Macarena and there are formations belonging to the Guyana Shield. The natural resources of Colombia are varied and extensive with most of its territory and oceans still unexplored. Colombia has one of the largest open pit coal mines in the