Heritage Open Day: A children's activity: use craft materials to create famous buildings, such as the Eiffel Tower, the Great Pyramids and Taj Mahal A children's activity: use your imagination to create famous buildings, such as London Bridge, royal palaces, the Eiffel Tower, the Great Pyramids and Taj Mahal. Also opportunities to make a monument or statue of yourself for visitors. What would a visitor from another country need to know about you? What do you enjoy doing? What do you want to be remembered for?