Porto city view (at http://www.glia2019.eu/?s=venue): source http://www.geobuch.de/geos-unterwegs-porto-im-november/

Alfandega view at night (at http://www.glia2019.eu/?s=venue): source http://visitporto.travel/Visitar/Paginas/Descobrir/DetalhesPOI.aspx?POI=2171

Alfandega interior views (at http://www.glia2019.eu/?s=venue): Egidio Santos

Port wine ships and bridge (at http://www.glia2019.eu/?s=venue): saiko3p – Fotolia

Roofs of Porto (at http://www.glia2019.eu/?s=registration-accommodation): Hsinyn Chuang – Flickr

Impression of Braga "European best destination 2019" (at http://www.glia2019.eu/?s=satellite): source Camara Municipal de Braga https://www.cm-braga.pt/pt/0201/home/noticias/item/item-1-8848

Institute building of ICVS (at http://www.glia2019.eu/?s=satellite): source Universidade do Minho https://www.med.uminho.pt/pt/_layouts/15/UMinho.PortaisUOEI.UI/Pages/EventsDetail.aspx?id=54006