Source: UNESCO World Heritage
Three Sisters of Blue Mountains with the Scenic Skyway. The Blue Mountains is a UNESCO World Heritage site. Thanks to SM who went there on a day tour for this nice card.
Postcard 2Multi-view of Greater Blue Mountains Area. Thanks to SP for mailing from Blue Mountains, Australia.
Postcard 3Three Sisters of Blue Mountains. Thanks to Denny of Australia. Received in March 2019.
Postcard 4Echo Point and Three Sisters in Blue Mountains, New South Wales of Australia. Thanks to Jean-Pierre of France. Postmarked GPO Sydney Mar 9, 2020 and arrived in Penang Island on April 2, 2020 despite current lockdown due to Covid-19.