Whale sharks are the largest fish in the sea and Donsol, in Bicol, is one of the few places in the world where sightings are guaranteed. Rupert Parker goes swimming with them.

Now a UNESCO Heritage site, the Banaue Rice Terraces, in the mountains of Northern Luzon, are said to have been built around 2000 years ago by the ancestors of the Ifugao, the indigenous people, who still live here.  Rupert Parker sets out to take a look.