3.6K views · 134 reactions | What to wear for cave diving and exploration? Fourth Element Head of Sales Rannvá Tórfríð Jørmundsson shares her drysuit layering system from out in the field in Mexico… Browse our undersuit range > https://bit.ly/FEUndersuits | Fourth Element | Facebook

110K views · 1K reactions | Black History Month is a time to celebrate, honor, and acknowledge African Americans' achievements and contributions to our country, but have you ever wondered why we observe it in February? Check out these key historical moments dating back to the 1800s to learn the origins of #BHM. | Cox | Facebook

2K reactions · 297 shares | This week's declassified file: The Lubbock Lights. What could explain blue V-shaped lights travelling faster than a meteor? Find out tomorrow on Project Blue Book at 10/9c on History. | HISTORY | Facebook

2.4M views · 127K reactions | ক্ষেপনাস্ত্র প্রযুক্তিতে কতটা সেরা পাকিস্তান? আমাদের ইউটিউব চ্যানেলটি সাবস্ক্রাইব করুন- https://www.youtube.com/channel/UCy24zxjhaBGpo6EsfsfLa7A | History and Politics - ইতিহাস ও রাজনীতি | Facebook