An installation of Canadian artists Caitlind Brown and Wayne Garrett is displayed during the Lumina Light Festival in Cascais September 14, 2014. Lumina Light Festival shows artworks of artists from several countries, which are displayed during a tour around Cascais. (Photo by Rafael Marchante/Reuters)

An installation of Slovenian artists Marko Batista and Bostjan Cadez is displayed during the Lumina Light Festival in Cascais September 14, 2014. (Photo by Rafael Marchante/Reuters)

An installation of French artist Bulb is displayed during the Lumina Light Festival in Cascais September 14, 2014. (Photo by Rafael Marchante/Reuters)

An installation of French artist Christophe Martine is displayed during the Lumina Light Festival in Cascais September 14, 2014. (Photo by Rafael Marchante/Reuters)

An installation of Portuguese artist Ocubo is displayed during the Lumina Light Festival in Cascais September 14, 2014. (Photo by Rafael Marchante/Reuters)

An installation of Portuguese artist Teresa Mar is displayed during the Lumina Light Festival in Cascais September 14, 2014. (Photo by Rafael Marchante/Reuters)

An installation of Polish artists Katarzyna Malejka and Joachim Slugockiego is displayed during the Lumina Light Festival in Cascais September 14, 2014. (Photo by Rafael Marchante/Reuters)

An installation created by children of Cascais is displayed during the Lumina Light Festival in Cascais September 14, 2014. (Photo by Rafael Marchante/Reuters)

An installation created by Macao Tourism is displayed during the Lumina Light Festival in Cascais September 14, 2014. (Photo by Rafael Marchante/Reuters)