These Landsat 8 and Landsat 5 satellite images, spanning 31 years, depict the urban evolution of Porto and its environs. The comparison emphasizes notable changes, especially along the coastal regions. Porto, situated in northwest Portugal and serving as the capital of Porto District, rests on the banks of the Douro River near the Atlantic Ocean.

• Image 1: Product: Geo Tiff format, Satellite/Sensor: Landsat 5 TM, Resolution: 30 metre, Coverage: 180 x 180 km, Acqusition Date: 11 July 1984, Band Combination used to create this image: 3, 2, 1 (RGB) Merge Panchromatic and Visible layers
• Image 2: Product: Geo Tiff format, Satellite/Sensor: Landsat 8 OLI, Resolution: 30 metre, Coverage: 180 x 180 km, Acqusition Date: 29 August 2015, Band Combination used to create this image: 8, 3, 2 (RGB) Merge Panchromatic and Visible layers