Tsing Ma Bridge is one of the world's longest double decker suspension bridge with both road and railway. I have used this bridge by both road and rail from the HK airport to Kowloon or to China. Two beautiful stamp in stamps used. Thanks to Jean-Pierre of France.
Postcard 2 - Macao - Sai Van BridgeSai Van Bridge is a cable-stayed bridge in Macau inaugurated on December 19, 2004. The bridge measures 2.2 km long and is the third one that connects Taipa Island and Macau Peninsula. It features a double-deck design, with an enclosed lower deck to be used in the event of strong typhoons when the other two bridges arec closed. Space is also reserved in the lower deck for a rail-link in the future. Mailed on Christmas Eve December 24, 2013. Thanks to Shinta of Indonesia. A great addition to my postcard collection of World Towers.
Postcard 3 - Portugal - Luis Bridge, OportoLuis 1 Bridge, a two hinged double decker arch bridge was built in 1886. My first postcard from Portugal. Thanks to "PocketPiglet".