<Tr> <Td> April 13, 2018 </Td> <Td> Barcelona </Td> <Td> Palau Sant Jordi </Td> </Tr> <Tr> <Td> April 14, 2018 </Td> <Td> Bilbao </Td> <Td> Bizkaia Arena </Td> </Tr> <Tr> <Td> April 17, 2018 </Td> <Td> Vienna </Td> <Td> Austria </Td> <Td> Wiener Stadthalle </Td> </Tr> <Tr> <Td> April 18, 2018 </Td> <Td> Łódź </Td> <Td> Poland </Td> <Td> Atlas Arena </Td> </Tr>

Who is supporting 30 seconds to mars at the o2