A handy guide and an audio app of the Tower of Belém, in Lisbon, in a one device, your own phone!. Entertaining and intuitive, the only way to know each place and each room of this military bastion during your visit. You will also have a memory forever of what you've seen and it costs less than a coffee.
Easy and intuitive of running, the application allows you to discover their key elements and histories of the monument. If you get tired of reading you can use the speaker phone to listen to it.