Ancient sunken and now sinking cities are described. Various hypotheses explaining the reasons for the death of ancient cities of the Mediterranean, Black Sea and Caspian regions are considered. Information is given about floods, flooding with groundwater, and engineering protection of Venice, the Netherlands, Leningrad and other cities and territories. CONTENTS: Preface

Introduction

Sunken cities and countries.

The phenomenon of ChersonesosDioscuria - Sebastopolis - DhumPontida - a sunken country?Mediterranean - the cradle of civilizationBaltic coastArctic bridge

Cyclopean buildings of the past.

Iron gates of the CaucasusDerbent wallThe mistake of Arab scientistsCisical findsOther evidenceWhat is happening to the Caspian SeaSecrets of the ancients lakes

Why cities sank.

Vibrations of the earth's surfaceTectonic hypothesesWorld ocean and flooding of citiesLandslides

Cities continue to sink.

FloodsFlooding of citiesSettlement of the earth's surfaceCities under land

CONCLUSION

REFERENCES