Most rivers run dry -- now and then: Over half of the world's rivers cease to flow for at least one day a year on average - Science Daily

Most rivers run dry -- now and then: Over half of the world's rivers cease to flow for at least one day a year on average  Science Daily

Most rivers run dry -- now and then: Over half of the world's rivers cease to flow for at least one day a year on average - Science Daily
Most rivers run dry -- now and then: Over half of the world's rivers cease to flow for at least one day a year on average  Science Daily
Read More