Nations across the Asia-Pacific region are currently facing a demographic shift, driven by factors including increased longevity and lower birth rates, that has been called the silver tsunami.

Daniel Poole, from Perranporth in Cornwall, had been on a surfing trip to Sri Lanka ... She said: "I saw for myself after the tsunami just how chaotic and messy a big humanitarian response can ...

Massive boulders strewn around a scenic natural rock formation called the Hashigui-iwa Rocks in the Pacific coastal town of Kushimoto, Wakayama Prefecture, are likely vestiges of gigantic tsunami ...