Hydrobiolog
Reflection of the sun in water. Indiana Dunes National Lakeshore, USA

Hydrobiolog
The sandy shore of the lake, dry trees on the sand, the ecology of fresh water. Indiana Dunes National Lakeshore

Hydrobiolog
Plant with smoking pipes on the shore of the lake, pollution of the environment, ecology. Indiana Dunes National Lakeshore

Hydrobiolog
The tourist rises uphill to a large sand dune. Indiana Dunes National Lakeshore.

Hydrobiolog
Native plants of the Dunes.

Hydrobiolog
Native plants of the Dunes.

Hydrobiolog
Native plants of the Dunes.

gcm
Woman throwing garbage into paper litterbin

gcm
Woman throwing out plastic bottle into recycable bin

gcm
Man throwing plastic water bottle in recycle bin

technicalmaanav
drawing an home art with Black and Blue color combination on green background

technicalmaanav
drawing an home art with color combination on green background

Hydrobiolog
Indiana Dunes National Lakeshore is a unit of the National Park System designated as a U.S. National Lakeshore located in northwest Indiana

Hydrobiolog
Indiana Dunes National Lakeshore is a unit of the National Park System designated as a U.S. National Lakeshore located in northwest Indiana