A yellow-orange haze of dust from the Sahara desert has blanketed parts of Greece, creating spectacular scenes and prompting authorities to issue health warnings. The Greek meteorological service said weather conditions on Tuesday had favored the movement of dust from Africa and this was showing up in “increased concentrations in the atmosphere,” particularly in the south of the country. The dust is expected to gradually decrease on Wednesday morning, the service predicted, and from midday onwards it would be “limited to the east.” Videos and images shared online showed people in Athens observing the yellow-orange fog from the hills near the Greek capital. Others took evening walks in the city and shared the bright orange scenes on social media. Greek Meteorologist Kostas Lagouvardos posted on Facebook that Athens looked like “a colony of Mars.” Clouds of dust moving from northern Africa to Greece and other regions is a phenomenon that…
