1.   Although park emergency systems were mobilized immediately, the dust cloud prevented an immediate search, then darkness made it impossible.

2.   And darkness can virtually make prisoners of women.

3.   Darkness often makes fire appear much closer than it is, he said.

4.   The subterranean darkness made eyes unnecessary.

5.   He said the darkness made the ship unidentifiable, and added that such collisions were commonplace.

6.   A still-blazing government tank was visible in the Chernorechny district, but gathering darkness made it difficult to assess the armoured strength of the government forces.

7.   Winter darkness made estimating the extent of the damage difficult early Wednesday, but experts said the flood of mud and ice had already visibly abated.