Abandoned US Airmail Beacons across the USA. These concrete arrows are all that remains of the towers that were built from NY to LA in the by congress to help the early airmen navigate. See the article for the route map.
Sao Bento Railway Station is an railway station in the municipality of Porto, Portugal.There are approx. azulego tiles dating from and were composed by Jorge Colaco, an important painter of azulejo of the time.