Aerial drone view of Padrao dos Descobrimentos (Monument of the Discoveries), a monument on the northern bank of the Tagus River estuary, Belem, Lisbon, Portugal, Europe

photography horizontal color image travel destinations travel outdoors day incidental people portugal europe padrao dos descobrimentos monument of the discoveries monument tagus river river water estuary belem lisbon marina boat harbor sea waterfront city urban scene drone point of view aerial view clear sky waterfronts seaside seaboard seafront seashore waterside seacoast shore shores shoreline coast coastal coasts coastlines travel destination tourist destination tourist destinations seas ocean oceans rivers flowing water outdoor outside daytime cities urban boats nautical vessel nautical vessels transport transportation