Science and technology № 12 (1994)

1. Halley's Comet.

An astronomer looks through a telescope at the starry sky (an old engraving).

The trajectory of Halley's comet.

A scientist at the telescope.

Space Research Center.

The Vega station is in Space.

Halley's Comet.

The control center.

2.The Mantis.

The mantis is sitting on a branch.

The mantis eats a grasshopper.

Female and male mantis on a branch.

The female bites off the male's head.

3. The art of blacksmiths.

Wrought-iron fence.

Blacksmiths at work.

Products of modern blacksmiths.