The Three Angels Messages is a set of important messages that has been proclaimed to the world since the 1800's. And we find these messages in Revelation 14. These messages are of so great importance that they are shown as being proclaimed with 'LOUD VOICES'.
God is a spirit, He must not be treated or regarded as one having the limitations of humanity. His worship cannot be limited to any particular place. God is universally present, in constant personal touch with every part of His creation.