ALAMIN: Bakit itim ang buhangin sa ilang dalampasigan?

Marahil ay nakakita na kayo ng mga beach na itim ang buhangin sa dalampasigan. Ano kaya ang paliwanag tungkol sa black sand beaches? Subscribe to our official YouTube channel, https://bit.ly/2ImmXOi Be the first to know about the latest updates on local and global issues, news and current affairs, 911-UNTV Rescue and public services. We Serve the People. We Give Glory To God! #UNTV #UNTVNewsandRescue For updates, visit: https://www.untvweb.com/news/ Check out our official social media accounts: https://www.facebook.com/UNTVNewsRescue https://www.twitter.com/untvnewsrescue https://www.youtube.com/untvnewsandrescue https://www.tiktok.com/@untvnewsandrescue/ Instagram account - @untvnewsrescue Feel free to share but do not re-upload.