how to make a secret door

{"cid":"91184732","title":"Aluminum Frame Push and slide hidden basement door secret doors and passageways","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/50\/32\/c366419c27bcc6ac11791c6653bd-200x200-1.jpg","attrs":{"Price":"400USD-480USD","Brand Name":"SAMEKOM","Model Number":"HIDIDEN DOOR","Minimum Order Quantity":"1 set","Delivery Time":"25-35Days after received deposit","Certification":"TUV,SGS,ISO","Place of Origin":"GUANGDONG,CHINA","Payment Terms":"Western Union, MoneyGram, L\/C, T\/T","Supply Ability":"80-100 SETS\/DAY","Packaging Details":"carton box","Door frame":"aluminum","Door panel":"HPL","Door core":"Aluminum tube+aluminum honey comb","Door thickness":"45mm thickness","Door hinges":"3D Hidden hinges","Door Handle":"304 SS Handle","Door lockset":"Meganetic lock","Surface":"3mm HPL","Feature":"Soundproof and waterproof"}}

{"cid":"91185979","title":"Adjustable SOSS Cabinet Hinges \/ Secret Door Hinges Customized Size","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/0c\/d8\/f97757f5484239a3e44706993395-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"JKL","Model Number":"BG003","Minimum Order Quantity":"Negotiation","Delivery Time":"15 days.(A small amount of stock all the time)","Certification":"SGS,CNAS","Place of Origin":"Jiangmen, Guangdong","Payment Terms":"T\/T, Western Union, MoneyGram, Paypal","Supply Ability":"10,000 pcs\/month","Packaging Details":"1 pc\/poly bag, 1 pc\/inner white box, 40 pcs\/carton","Name":"SOSS Cabinet Hinges","Advantages":"Adjustable","Weight loading":"60 kgs\/3 pcs","Material":"Zinc alloy","Surface Finish":"Pearl Chrome","Open degree":"180\u00b0","Adjustment range":"up&down\u00b11.5mm, left&right: \u00b11.0mm, front&back:\u00b11.0mm.","Min door thickness":"40mm","Max door width":"1000mm","Door higher than 2100mm":"Suggest to fix 4 hinges"}}