A natural landscape image showing a tropical mangrove or swampy wetlands nature reserve park, with wild plant vegetations in the foreground and a tall, partially hidden birdwatching tower made of wood, in the background. Tranquil and peaceful setting along a hiking trail in the Kranji Sungei Buloh Wetlands Reserve in Singapore, southeast asia. Vertical color format, nobody in picture. Simple composition with copy space. Greenery of tropical mangrove plants.