bridge in the mangrove forest with a view of the cloudy sky and sea

walkway boardwalk pier bridge sea coast beach vacation waterway shore bay ocean water breakwater nature green tree forest summer environment outdoor landscape natural mangrove travel background beautiful sky view tourism tropical blue park plant river scenic leaf mangroves island aerial trees roots holiday scenery jungle root wood ecology vegetation garden wild beauty ecosystem flora floral life element botanical habitat rainforest outdoors plants textured conservation area botany system branches islands abrasion tunnels save world enjoy research sebatik north kalimantan indonesia cloudy