Which river delta in Bangladesh was designated as a UNESCO World Heritage site in 1997?

The Redwood National and State Parks, a UNESCO World Heritage site, is located in which US state? The Tsingy de Bemaraha National Park, a UNESCO World Heritage site, is located in which African country? The Putorana Plateau, a UNESCO World Heritage site, is located in which Russian region? What is the name of the ancient forest in Poland and Belarus, designated as a UNESCO World Heritage site in 1979? What is the name of the famous cave system in Vietnam, designated as a UNESCO World Heritage site in 2003? Which national park in the United States was designated as a UNESCO World Heritage site in 1978? What is the name of the famous canyon in the United States, designated as a UNESCO World Heritage site in 1979? The Galapagos Islands are a UNESCO natural World Heritage site located in which country?