Sixpenceee: Underwater Riverthis Is An Underwater River In Mexico (Yucatan). The Different Density Levels In The Two Waters Causes Them To Layer.photo Credit: Anatoly Beloshchin
shvtd0wn: Heart surgeon after 23-hour (successful) lung heart transplantation. His assistant is sleeping in the corner saw this in the national geographic best 100, this was my favourite I can never not reblog this pic Damn I hope to be able to
