Executives of the Department of Environment and Natural Resources (DENR) and Blue Star Construction Development Corporation ...

The Philippines achieved full independence from ... where their ancestors carved monumental rice terraces and built thatched limestone houses. Majestic, Spanish-influenced churches and ancestral ...

Sistema Sac Actun (Mexico) – Located in the Yucatán Peninsula, it's one of the world’s longest underground rivers, connected to ancient Mayan cenotes. Lost River (USA – Indiana) – This river vanishes ...