Len Leng, Kocha Olarn, Helen Regan and Jonny Hallam, CNN Phnom Penh, Cambodia / Bangkok, Thailand (CNN) — Cambodia and Thailand exchanged fire across their disputed border for a fourth day on Sunday, ...

This video features natural landscapes from different regions of Costa Rica. It was filmed in 4K and includes background music.

This video was filmed in Costa Rica and shows different types of wildlife. It includes 4K footage with background music.