1 Robots can work as guards at important places. 2Ha Noi infamous for its delicious street food. 3 what type of house will you live future? 4 pack your lunch in a lunch box ininstead of plastic bag.

1 Robots can work as guards at important places. 2Ha Noi infamous for its delicious street food. 3 what type of house will you live future? 4 pack your lunch in a lunch box ininstead of plastic bag.