West side of Puerta de Alcalá (1774–1778). Architect : Francesco Sabatini (1722–1797). Madrid, Spain.
<a href="//commons.wikimedia.org/wiki/User:Selbymay" title="User:Selbymay">Selbymay</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>