The River Seine is at its highest level for more than 30 years. The River Seine is at its highest level for more than 30 years. The River Seine is at its highest level for more than 30 years. The River Seine is at its highest level for more than 30 years. The River Seine is at its highest level for more than 30 years. The River Seine is at its highest level for more than 30 years. The River Seine is at its highest level for more than 30 years. The River Seine is at its highest level for more than 30 years. The River Seine is at its highest level for more than 30 years. The River Seine is at its highest level for more than 30 years.