Jeju submits caves and lava tubes for Unesco World Natural Heritage list

Gov't submits motion for parliamentary ratification of April summit declaration

EU and Japan submits draft resolution on N. Korea to UN's Third Committee

China submits N. Korea sanctions report: S. Korean official

China submits N. Korea sanctions implementation report: official

Gov't submits supplementary budget bill to National Assembly

U.S. submits 'toughest' N. Korea sanctions to UN Security Council

Blue House submits constitutional revision proposal today

Pressure upped on National Assembly as president submits proposal to amend Constitution

Pressure upped on National Assembly as president submits proposal to amend Constitution

Gov't submits bill on KORUS FTA ratification to Nat'l Assembly

Trade ministry submits KORUS FTA renegotiation plan to National Assembly

Pressure upped on National Assembly as president submits proposal to amend Constitution

Angola submits report to UN of sanctions on N. Korea: RFA

Gov't submits extra budget proposal to parliament

Korean Film Council submits 'Parasite' as Oscar contender

Korean government submits supplementary budget bill to National Assembly

South Korea submits implementation report on North Korean UN resolution

South Korea submits implementation report on North Korean UN resolution

NEC submits finalized electoral map to parliament amid opposition party filibuster

President Park submits letter of opinion to Constitutional Court denying reasons for her impeachment

Researchers Discover First Evidence of Cavemen Living in Lava Tubes

This California Monument Has the Highest Concentration of Lava Tubes in North America Wi

Lava Tubes on Mars and the Moon Are So Big Humans Could Settle There

La Réunion : Le tunnel de lave bleue

Why Is NASA Exploring Life In Earth's Volcanic Lava Tubes?

Lava tube draining Lost Lake

S. Korea reports 657 new cases on Sunday; restrictions on gatherings go nationwide

S. Korean population declined in 2020 for first time on low birthrate

Bitcoin price passes new milestone of US$ 34,000

Xi and Putin pledge further strategic cooperation in New Year greetings

Son Heung-min scores 100th Tottenham goal in win over Leeds United

S. Korea extends 2.5 distancing scheme for 2 weeks, bans gatherings of 5 or more nationwide

A Gruta | movie | 2020 | Official Trailer

Rescue Crews Work to Reach an American Researcher Trapped Inside a Cave in Turkey

Die Höhle | movie | 2023 | Official Trailer

In This Cave, All Animals Die in a Second. Forbidden Places That Cannot Be Visited

Finger Flutings Found in ‘Oldest Decorated Cave in France, if Not Europe’

This National Park Has the Longest-known Cave System in the World — With Over 400 Miles of Underground Passages, Sparkling Domes, and a Frozen Waterfall