There are barn doors

And there are revolving doors

Doors in the rudders of big ships

And there are revolving doors

There are doors that open by themselves

There are sliding doors

And there are secr̳̿et d͙̿oors̥̃

T̘͑h̤̔er̼̕ę̦͑͛ ḁ͋re do̦̐͢͝ó̫̳̃ṙ͈̘̕s͍͚̈́̇ t̤̟̆́ḩ̐a̻̺̋͠ţ̰̀̔ l͕̻̅̇̕ͅő̤c̳̋̉ͅk̨͍̀̌

A̖͞n̲͕̎͂ḋ̻̞̤͋̎ d̡̠̺̃͒̚ơ̡͍̻̇́o͉͙͂͑rs̭͓̆̋ ṫ̹̮̌h̡̦̦̋̎̚a͚̣̔͗ṯ͖̫̫͐́̋́ d̺͈̼̂̌͠ő͍̺̕n͈͓̉͞’̥̯̼͐̉̕t̛̹͖̣̫̿̎̿

T̹̿h͈̞͆̽͑͢e̥͈̫͙̾̓̚͝r̺̐̃͜ȇ̼̘͔́̑ a͖̜̤̅̓͆r̜̫̃́é̯̯͐̕͟ d̜̈oó͇r̦̼͌̅̐͟͜͠s̖̘̕̚ t͉̤̹̦̃̀̽̀ḩ̦̰̫̆̀̿̋a͋ͅţ̨̮̭͊͑͂͛ le̺̅ţ̨̘̫̐̎̃͌̔̌͢͜ y͚̹̼͔͔̽̈̿̀͡o͚̝͠͡u̡̫̠͙͎͑͂̀̍͝ in̝͞

A͖̓n̢̳̐̀̈́͟ḑ̝̫̬͚̽́̓̍̇̚̚͢ͅ ȍ͇̹̯̜͌̓̍̈́̕͜ͅu̢͈̖͊͐̓ț̡̡̮̙̝͑͌̍́̓͝

B̡̤̗̹̼͐̀̅̈͞u̧̙̹̝̭̠͔̔̊̎̓̿̕͠t̝̺͍́̃̆ n͉̻̻͌̌͛ẹ̛̊͟v̡̝̹̌̾̂è̦͕̱̰͑̾͐̑ͅr̞̱̭̎̽͡ ǫ̱̝̯̤̔͒̊͛̑p̧̡͍̗̝̬̐̓͋̈͑̚͡ͅe̡̗̬̠̼̭̔̓̽͗̒̕n̨̥͍͈̪̝̽̓̄̕͠͞

A̻̐ṉ̗͓̻̯̀̽̀̆̈́d͕͆́́͜͟ t̬̼̭̼͖̭͐̑̎̎̍͘ḣ͖ě̜̘̽́ͅr̜̟͕̘̟̤̤̩̥̉̍̆́̆̀́͘͝ė̘̳̲̳͎̫̘̑̽͐̽̑̈ a̗̰̭̜̮̦̽̄̆̆̾̽͘͟ȓ̦̰̻̞͓̽̍̐͘e͔̗̠̤̝̼̥͐̊̃̈̉͞͝ t͚̩̥̲̥̹͗͂̏̓̅̿r͖̦͔̞̹͋̆̓͐̐͢͞a̬̻͂͐͐͜p̨̩̱̰̙͛̔̓̕͞ḑ̢͓͈̺͕͇̼̬̉̋̓͌̾̇̍̕̕͘͟ȫ̖̮̝̼̮̜̮͔̻̈́̂́̈́̽́͘̚͟o̡̞̤̻̬͔͉̱͇͊̿͂̓̊͂̾̓̈̍͟r̢̛͉̼̦̘̗͚̗̀͌̃͋̉͂͛̆̐ͅͅṣ̡̧̨̛͚̱̳̫̭̹́͆̂̈̿̍̉͘͞

T̨̛͎͉̣̩̼̺̲̋̈́͌̾̈̿͒̾͟͞ͅh͚̳͖̥͇͍͙̝̓̍̂̂̋̒͊̾̋̏͟ͅȃ̢̠̦̻̺̙͈͍̣̻̎͛͌͑͋̏̽̽̕t̞̯̹̫̣͖͚̱̮̆̈́̉̋̄̓̅́̊͜͠ y̢̪̰̖̣͖͎͚͎̆̎͊́̑́̊̓̎́͟ơ̧̨̯̪͇̻̱̗̘̿̋̈̈́͊͗̿̕͜͞u̡̱̜̜͖͙͉̹̤̇̂͆͌͊̒͋͗̄̒͟ ċ̨̜̪͎͔̬̱͕͂̒͆̎̅́̑̚͜͢͠a̠̣͇̼̳̞̗̹͔̓̆̃̾̈́͌̓͗͒̕ͅn̨̢̹̺̰͚̝͇̦̞͛̅͌̒͋̃̍̚͠͡’̮̭͕̺͙̬̞͍͐̀̆̈́̒̓̈̄̕͜͝ͅť̛̛̛̬̩͍͙͔͖͈͕́̀͌͗̚͢͝ͅ c̡͓̣̰͍̲͚̭͈͌̋̋͂͆̀̎͐̈͗ͅo͙̟̳̲̜̣̟͕̿̓͆͗̋̌́͜͢͡͞͝m̙͉̝͙͈̥̺̰̤̪͂̂͐͂́̀̄̀̕͡ę̛̦͓͔̠͉͈̺͖̘͂̂̀̀̀̍̓́͗ b͔̳͔͚̪̲͈̲̘̋̓̾͋̃̈̽̔̃͜͡à̧̛̪̞͙͇͖̼͙̼̈̐̍̆̀̏́͢͝ć͍̗̰̟͚̻̼̬͎̋̀̉̆̿̚͘̕̚ͅk̢̧̡̹͎͈͇̺̯̝͐̍̄́̆͊̿̏̆͡ f̪̦̰̞̙̻̯͖̭̣́̍̒͊̇͑̄̏̑͘r̛͕̗̦̪̖̪̗̖͇̣̿̀̓͒̏̂͘͞͝ȍ͎̲̟͕̠̮̩̟̜̖́̒̓̽̆̉̕͞͡m̡͔̫̲͙͙̫̲̭̝̽̀̎͂̔͌̄̉̽͠