A Christmas decoration is seen in a shop window in Madrid, Spain on Dec. 11, 2014. It is estimated that Madrid would invest 1.7 millions euros in Christmas illuminations in its central part, which was 7.2% more than the last year. (Xinhua/Xie Haining)

A building is illuminated with lights for Christmas in Madrid, Spain on Dec. 11, 2014. It is estimated that Madrid would invest 1.7 millions euros in Christmas illuminations in its central part, which was 7.2% more than the last year. (Xinhua/Xie Haining)

The cityhall is illuminated with lights for Christmas in Madrid, Spain on Dec. 11, 2014. It is estimated that Madrid would invest 1.7 millions euros in Christmas illuminations in its central part, which was 7.2% more than the last year. (Xinhua/Xie Haining)

A street is illuminated with lights for Christmas in Madrid, Spain on Dec. 11, 2014. It is estimated that Madrid would invest 1.7 millions euros in Christmas illuminations in its central part, which was 7.2% more than the last year. (Xinhua/Xie Haining)

A street is illuminated with lights for Christmas in Madrid, Spain on Dec. 11, 2014. It is estimated that Madrid would invest 1.7 millions euros in Christmas illuminations in its central part, which was 7.2% more than the last year. (Xinhua/Xie Haining)

Famous landmark Alcala Gate is illuminated with lights for Christmas in Madrid, Spain on Dec. 11, 2014. It is estimated that Madrid would invest 1.7 millions euros in Christmas illuminations in its central part, which was 7.2% more than the last year. (Xinhua/Xie Haining)

A street is illuminated with lights for Christmas in Madrid, Spain on Dec. 11, 2014. It is estimated that Madrid would invest 1.7 millions euros in Christmas illuminations in its central part, which was 7.2% more than the last year. (Xinhua/Xie Haining)

Famous landmark Puerta del Sol square is illuminated with lights for Christmas in Madrid, Spain on Dec. 11, 2014. It is estimated that Madrid would invest 1.7 millions euros in Christmas illuminations in its central part, which was 7.2% more than the last year. (Xinhua/Xie Haining)

A street is illuminated with lights for Christmas in Madrid, Spain on Dec. 11, 2014. It is estimated that Madrid would invest 1.7 millions euros in Christmas illuminations in its central part, which was 7.2% more than the last year. (Xinhua/Xie Haining)