Reports from:
further completed projects:
- Albania
- Benin
- Bosnia
- Brasil
- Cambodia
- Chad
- Croatia
- Germany
- Eritrea
- Ethiopia
- Gambia
- Ghana
- Honduras
- India
- Iran
- Israel
- Jordan
- Macedonia
- Mozambique
- Namibia
- Nicaragua
- Nigeria
- Poland
- Romania
- Russia
- Rwanda
- Sibiria
- Swaziland
- South Africa
- Turkey
- Vietnam
- Yugoslavia