People walk through a cross-border tunnel in Tijuana, Mexico November 7, 2009. The unfinished tunnel with electricity and a ventilation system, is 10 metres (33 feet) deep, 122 metres (400 feet) long and was missing only 143 metres (469 feet) to reach California, according to local authorities. Reuters Pictures logo Reuters Pictures 27 months ago

People walk through a cross-border tunnel in Tijuana, Mexico November 7, 2009. The unfinished tunnel with electricity and a ventilation system, is 10 metres (33 feet) deep, 122 metres (400 feet) long and was missing only 143 metres (469 feet) to reach California, according to local authorities.