Functional water gate structure used for both flow control and fish farming in freshwater reservoir concrete irrigation spillway 免版税库存照片 functional water gate structure used for both flow control and fish farming in freshwater reservoir concrete irrigation spillway
Functional water gate structure used for both water flow control and fish farming in freshwater reservoir concrete irrigation 库存照片 functional water gate structure used for both water flow control and fish farming in freshwater reservoir concrete irrigation
Functional water gate structure used for both water flow control and fish farming in freshwater reservoir concrete irrigation 免版税库存照片 functional water gate structure used for both water flow control and fish farming in freshwater reservoir concrete irrigation
Aerial spillway control gates above reservoir concrete crest and engineered channel with monitoring flood control infrastructure 免版税库存照片 aerial spillway control gates above reservoir concrete crest and engineered channel with monitoring flood control infrastructure
Aerial dam and reservoir above service roads forest visible concrete spillway embankment detailed over trees seen clearly 免版税库存照片 aerial dam and reservoir above service roads forest visible concrete spillway embankment detailed over trees seen clearly
碧绿色的格罗斯格洛克纳冰川水库，斯皮赫尔·玛吉岑，高山斜坡和树木葱郁的山丘，以及混凝土大坝结构位于 库存照片 碧绿色的格罗斯格洛克纳冰川水库，斯皮赫尔·玛吉岑，高山斜坡和树木葱郁的山丘，以及混凝土大坝结构位于
绿松石色的格罗斯格洛克纳冰川水库，斯皮赫尔·玛吉岑，高山斜坡和森林覆盖的山丘，以及混凝土水坝结构位于 库存图片 绿松石色的格罗斯格洛克纳冰川水库，斯皮赫尔·玛吉岑，高山斜坡和森林覆盖的山丘，以及混凝土水坝结构位于
A straight gravel road along reservoir embankment lined with streetlights and concrete posts beside calm water 免版税库存照片 a straight gravel road along reservoir embankment lined with streetlights and concrete posts beside calm water
Boat tour at dam reservoir over khun dan prakan chon dam the biggest roller compacted concrete dam nakhon nayok thailand boat tour 库存图片 boat tour at dam reservoir over khun dan prakan chon dam the biggest roller compacted concrete dam nakhon nayok thailand boat tour
Large reservoir affected by drought with cracked earth patterns receding water line visible on concrete walls abandoned docks 库存照片 large reservoir affected by drought with cracked earth patterns receding water line visible on concrete walls abandoned docks
Drought stricken reservoir with cracked earth patterns receding water line visible on concrete walls abandoned docks shortage 图库摄影 drought stricken reservoir with cracked earth patterns receding water line visible on concrete walls abandoned docks shortage
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