this have get to be one of the lousy special effect movie i have ever see . it remind me of b grade 50 movie . it be unforgivable that the production be so lazy in this era of realistic cgi effect . the most atrocious part of the film be the attack in the cave of spider . they look like limited animation cutout . the poor effect throughout the film spoil any experience of it . aerial shot be obviously film in front of a green screen . the balloon move unrealistically against a backdrop of sky . time scale be wrong . how do these guy travel from the eastern u to the pacific in one night . it seem they fit out the limestone cave in a day and night and etc . totally lazy effort . how do top actor like patrick stewart and vinnie jones get rope into this mess . i love stewart but this role force him to sleep walk . the best part of the movie be jones accent and attitude .