Example image of eyePlorer eyePlorer map for 'Reservoir': Lake Water Concrete Dam River Rock (geology) Soil Stream Cistern Oil well Water well Civil engineering Valley Abu Simbel Aswan Dam Egypt Lake Nasser Nile Tunnel Siphon Bank (geography) London Heathrow Airport River Lee (England) River Thames Water tower London Thames Water United Kingdom Victorian era Honor Oak Golf Water treatment Algae Bacteria Silt Zooplankton Drinking water Gravitation Hydroelectricity Rain Spillway United States Water quality Water stagnation Water supply network Barge Drought Hose (tubing) Maintenance, repair and operations Water turbine