aerial view water treatment plant for purified water or environment conservation. - 氯 個影片檔及 b 捲影像00:15
aerial view water treatment plant for purified water or environment conservation. - 氯 個影片檔及 b 捲影像00:20
aerial view water treatment plant for purified water or environment conservation. - 氯 個影片檔及 b 捲影像00:16
aerial view water treatment plant for purified water or environment conservation. - 氯 個影片檔及 b 捲影像00:24
aerial view water treatment plant for purified water or environment conservation. - 氯 個影片檔及 b 捲影像00:22
construction of water treatment plant for purify water or environment conservation. - 氯 個影片檔及 b 捲影像00:22
someone using a long pool skimmer for removing fallen leaves and debris floating on the surface of the swimming pool. - 氯 個影片檔及 b 捲影像00:14
outbreak of ebola virus spreads to capital conakry; doctor attending to female patient patient's handsreporter sitting in cordonned off area from... - 氯 個影片檔及 b 捲影像01:50
nine children taken to hospital after chlorine leak at swimming pool in wembley; england: london: wembley:extcar parkgvs 'vale farm sports centre'... - 氯 個影片檔及 b 捲影像00:21
nine children taken to hospital after chlorine leak at swimming pool in wembley; england: london: wembley:extgv entrance to vale farm sports... - 氯 個影片檔及 b 捲影像00:32
aerial view water treatment plant for community, infrastructure and environment conservation concept. - 氯 個影片檔及 b 捲影像00:29
aerial view water treatment plant for community, infrastructure and environment conservation concept. - 氯 個影片檔及 b 捲影像00:27污水
aerial view water treatment plant for community, infrastructure and environment conservation concept. - 氯 個影片檔及 b 捲影像00:24
aerial view water treatment plant for community, infrastructure and environment conservation concept. - 氯 個影片檔及 b 捲影像00:20污水
aerial view water treatment plant for community, infrastructure and environment conservation concept. - 氯 個影片檔及 b 捲影像00:20
aerial view water treatment plant for community, infrastructure and environment conservation concept. - 氯 個影片檔及 b 捲影像00:27
aerial view water treatment plant for community, infrastructure and environment conservation concept. - 氯 個影片檔及 b 捲影像00:18污水
aerial view water treatment plant for community, infrastructure and environment conservation concept. - 氯 個影片檔及 b 捲影像00:17
aerial view water treatment plant for community, infrastructure and environment conservation concept. - 氯 個影片檔及 b 捲影像00:14
aerial view water treatment plant for community, infrastructure and environment conservation concept. - 氯 個影片檔及 b 捲影像00:19
aerial view water treatment plant for community, infrastructure and environment conservation concept. - 氯 個影片檔及 b 捲影像00:22
aerial view water treatment plant for community, infrastructure and environment conservation concept. - 氯 個影片檔及 b 捲影像00:23
aerial view water treatment plant for community, infrastructure and environment conservation concept. - 氯 個影片檔及 b 捲影像00:18
aerial view water treatment plant for community, infrastructure and environment conservation concept. - 氯 個影片檔及 b 捲影像00:27
aerial view water treatment plant for community, infrastructure and environment conservation concept. - 氯 個影片檔及 b 捲影像00:23
aerial view water treatment plant for community, infrastructure and environment conservation concept. - 氯 個影片檔及 b 捲影像00:14
aerial view water treatment plant for community, infrastructure and environment conservation concept. - 氯 個影片檔及 b 捲影像00:20
aerial view water treatment plant for community, infrastructure and environment conservation concept. - 氯 個影片檔及 b 捲影像00:22污水
aerial view water treatment plant for community, infrastructure and environment conservation concept. - 氯 個影片檔及 b 捲影像00:34
aerial view water treatment plant for community, infrastructure and environment conservation concept. - 氯 個影片檔及 b 捲影像00:15
aerial view water treatment plant for community, infrastructure and environment conservation concept. - 氯 個影片檔及 b 捲影像00:19
aerial view water treatment plant for community, infrastructure and environment conservation concept. - 氯 個影片檔及 b 捲影像00:24
aerial view water treatment plant for community, infrastructure and environment conservation concept. - 氯 個影片檔及 b 捲影像00:33
aerial view water treatment plant for community, infrastructure and environment conservation concept. - 氯 個影片檔及 b 捲影像00:38
aerial view water treatment plant for community, infrastructure and environment conservation concept. - 氯 個影片檔及 b 捲影像00:11
aerial view water treatment plant for community, infrastructure and environment conservation concept. - 氯 個影片檔及 b 捲影像00:20
aerial view water treatment plant in mangrove forest for community, infrastructure and environment conservation concept. - 氯 個影片檔及 b 捲影像00:24
aerial view water treatment plant in mangrove forest for community, infrastructure and environment conservation concept. - 氯 個影片檔及 b 捲影像00:13
aerial view water treatment plant for community, infrastructure and environment conservation concept. - 氯 個影片檔及 b 捲影像00:18
aerial view water treatment plant for community, infrastructure and environment conservation concept. - 氯 個影片檔及 b 捲影像00:19
aerial view water treatment plant in mangrove forest for community, infrastructure and environment conservation concept. - 氯 個影片檔及 b 捲影像00:50
aerial view water treatment plant in mangrove forest for community, infrastructure and environment conservation concept. - 氯 個影片檔及 b 捲影像00:28
aerial view water treatment plant in mangrove forest for community, infrastructure and environment conservation concept. - 氯 個影片檔及 b 捲影像00:18
aerial view water treatment plant in mangrove forest for community, infrastructure and environment conservation concept. - 氯 個影片檔及 b 捲影像00:17
aerial view water treatment plant in mangrove forest for community, infrastructure and environment conservation concept. - 氯 個影片檔及 b 捲影像00:27
aerial view water treatment plant in mangrove forest for community, infrastructure and environment conservation concept. - 氯 個影片檔及 b 捲影像00:16
aerial view water treatment plant in mangrove forest for community, infrastructure and environment conservation concept. - 氯 個影片檔及 b 捲影像00:27
aerial view water treatment plant in mangrove forest for community, infrastructure and environment conservation concept. - 氯 個影片檔及 b 捲影像00:19
aerial view water treatment plant in mangrove forest for community, infrastructure and environment conservation concept. - 氯 個影片檔及 b 捲影像00:21
aerial view water treatment plant in mangrove forest for community, infrastructure and environment conservation concept. - 氯 個影片檔及 b 捲影像00:28
aerial view water treatment plant in mangrove forest for community, infrastructure and environment conservation concept. - 氯 個影片檔及 b 捲影像00:20
aerial view water treatment plant for community, infrastructure and environment conservation concept. - 氯 個影片檔及 b 捲影像00:14
aerial view water treatment plant for community, infrastructure and environment conservation concept. - 氯 個影片檔及 b 捲影像00:17
aerial view water treatment plant for community, infrastructure and environment conservation concept. - 氯 個影片檔及 b 捲影像00:35
aerial view water treatment plant for community, infrastructure and environment conservation concept. - 氯 個影片檔及 b 捲影像00:16
aerial view water treatment plant for community, infrastructure and environment conservation concept. - 氯 個影片檔及 b 捲影像00:40
aerial view water treatment plant for community, infrastructure and environment conservation concept. - 氯 個影片檔及 b 捲影像00:25
aerial view water treatment plant for community, infrastructure and environment conservation concept. - 氯 個影片檔及 b 捲影像00:12
aerial view water treatment plant for community, infrastructure and environment conservation concept. - 氯 個影片檔及 b 捲影像00:20
aerial view water treatment plant for community, infrastructure and environment conservation concept. - 氯 個影片檔及 b 捲影像00:14
aerial view water treatment plant for community, infrastructure and environment conservation concept. - 氯 個影片檔及 b 捲影像00:22
young man is using a pool testing kit to test the chemical levels in a swimming pool - 氯 個影片檔及 b 捲影像00:27
aerial view water treatment plant for purified water or environment conservation. - 氯 個影片檔及 b 捲影像00:17
aerial view water treatment plant for purified water or environment conservation. - 氯 個影片檔及 b 捲影像00:17
aerial view water treatment plant for purified water or environment conservation. - 氯 個影片檔及 b 捲影像00:27
aerial view water treatment plant for purified water or environment conservation. - 氯 個影片檔及 b 捲影像00:19
aerial view water treatment plant for purified water or environment conservation. - 氯 個影片檔及 b 捲影像00:12
as part of the j-100 sequence of the paris 2024 olympic and paralympic games, the minister delegate, in charge of democratic renewal, government... - 氯 個影片檔及 b 捲影像00:33
as part of the j-100 sequence of the paris 2024 olympic and paralympic games, the minister delegate, in charge of democratic renewal, government... - 氯 個影片檔及 b 捲影像00:16