This concrete slab uses 70% less concrete.
Read more about this new idea: http://ow.ly/Ixm550JRpUv
Thanks tomhanks for introducing #Hanx101 to me. Not doing too well though
This Japanese designer's incredible moving origami will blow your mind.
#CaliforniaBurger with bacon and #clubhousesandwich Thank you @mgm.mo for the special attention
Most interesting tree houses to fulfill your childhood dreams