A city of 300,000 people believes it is protected by an underwater alien base just off the coast.

Dubbed by locals as 'Amupac' - the legendary structure is believed to be the saviour and shield of the people in Tampico, Mexico.

Alien believers claim the mythical base - which is said to sometimes spawn UFOs - has led to them avoiding trouble for 57 years.

According to locals, there hasn't been a hurricane in the region since 1967 - something they say is due to aliens living in Amupac.

The wacky legend describes the underwater wonder as an “intraterrestrial” and “multidimensional” secret zone invisible to the human eye.

Self-proclaimed alien investigators in Mexico have drawn up a theory saying a group of 10ft, thin and light-skinned aliens have built up the base off Miramar Beach.

Sounds reasonable enough. ;-)

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