Portal:Geography/Did you know/6

... that the Upper Harz Water Regale (pictured), a network of dams, lakes, ditches, and tunnels built between 1536 and 1866 to supply water to the mines of the Harz mountains in Germany, is the largest of its kind in Europe?
... that the 1770 Port-au-Prince earthquake destroyed all the buildings of Port-au-Prince, in the French colony of Saint-Domingue (the future Haiti)?
... that the 2004 Indian Ocean earthquake and tsunami contaminated drinking water in wells along the east coast of Sri Lanka for one-and-a-half years after the event, according to the International Water Management Institute?
... that the early-February 1995 winter storm was the only major nor'easter of the 1994–1995 winter?
... that nearly all the trees and mangroves of La Ventanilla, Oaxaca, Mexico, were destroyed by Hurricanes Pauline and Rick in 1997?