Teacher (L) watches his pupil welding during a practical classroom at the vocational training center of IEFP in Setubal February 1, 2013.
Visitors walk past inside one of the corridors of the 2017 Web Summit in Lisbon on November 7, 2017.
Visitors attend a conference at the center stage of the 2017 Web Summit in Lisbon on November 8, 2017.
Set of old electric light lamps, 2015.
Construction workers pause to watch an event at a Lisbon street on January 2014.
Pupils and teacher (2nd R) dress them selfs to start a classroom of cooling technologies at the vocational training center of IEFP in Setubal February 1, 2013.
Worker walks on the Portuguese oil company GALP new refinery plant in Sines facilities after its inauguration, 170 Km South of Lisbon, April 5, 2013.
Shipyard workers look at the windmill, Wind Float I, before it is launched to sea in Setubal, 50 km (31 miles) south of Lisbon, September 30, 2011.
Pupils work on a plane wing on a classroom of aeronautics in the Instituto do Emprego e Formacao Profissional (IEFP) vocational training center in Setubal February 1, 2013.
TAP Portugal airlines' Airbus 320 aircraft maneuver behind another Tap Airbus 319 at Lisbon airport March 29, 2012.
Workers operate the machinarie at the NUTRE soya food plant in Portugal on April 2015
View of the engine on classic car Benz on exhibition in Cascais, Portugal on 2015
