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Monday, February 24, 2014

Bismuth sulfate under the microscope

Crystals of bismuth sulfate under the microscope and in polarized light.

bismuth sulfate under the microscope
Bismuth sulfate (magnification 80x).

bismuth sulfate under the microscope
Bismuth sulfate (magnification 80x).

Thursday, February 13, 2014

Migration time

A flock of geese (Greylag or Greater White-fronted Geese) flying to the North. Some of them stay over the winter here, others coming from the South and fly over southern Germany to the Baltic Sea or to Scandinavia. 

flock of geese flying to the North

flock of geese flying to the North

Thursday, February 6, 2014

Harmattan in Gambia

Sunrise in Gambia with Harmattan, a dry wind that blows dust from the Sahara to the South. That winds can block the sun and make an foggy atmosphere.

Sunrise during Harmattan in Gambia


Linked with Skywatch Friday

Tuesday, February 4, 2014

Clam collectors

Bivalve collectors in Gambia. They dig for razor clams on mangrove mudflats; a hard work with few results.
Clams Gambia
The clams.

Mudflats with clam collectors
The mudflats with clam collectors.

clam collector gambia
Digging witha machete for clams.

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