A U.S. company that helped build a huge aquarium in Berlin says it is sending a team to investigate the rupture of the tank, which sent a wave of debris, water and tropical fish crashing through the hotel lobby it was located in and onto the street outside. Reynolds Polymer Technology, which says it manufactured and installed the cylinder component of the AquaDom tank 20 years ago, said in an emailed statement that “at this point, it is too early to determine the factor or factors that would produce such a failure.” Police have said they found no evidence of a malicious act but the cause of the spectacular collapse shortly before 6 a.m. on Friday, in which two people were slightly injured, remains unclear. Berlin's top security official, Iris Spranger, told German news agency dpa on Friday that “first indications point to material fatigue.” READ MORE: https://www.wusa9.com/article/news/nation-world/colorado-company-sending-team-to-investigate-berlin-aquadom-aquarium-rupture/507-dde18091-fee3-4c1a-87c2-7ec64bfa4e14